Selenium
Uses
Selenium is an essential trace mineral.
Our proprietary “Star-Rating” system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.
For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.
3 StarsReliable and relatively consistent scientific data showing a substantial health benefit.
2 StarsContradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
1 StarFor an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.
This supplement has been used in connection with the following health conditions:
| Used for | Why |
|---|---|
2 Stars Asthma 100 mcg daily | Asthma involves free-radical damage that selenium might protect against. In one trial, supplementing with sodium selenite (a form of selenium) improved symptoms in some patients. People with low levels of have a high risk of asthma. Asthma involves free-radical damage that selenium might protect against. In a small double-blind trial, supplementation with 100 mcg of sodium selenite (a form of selenium) per day for 14 weeks resulted in clinical improvement in six of eleven patients, compared with only one of ten in the placebo group. Most doctors recommend 200 mcg per day for adults (and proportionately less for children)—a much higher, though still safe, level. |
2 Stars Atherosclerosis 100 mcg daily | Some doctors recommend that people with atherosclerosis supplement with selenium, which has been shown in one study to help reduce the risk of death from heart disease. In some studies, people who consumed more in their diet had a lower risk of heart disease. In one double-blind report, people who had already had one heart attack were given 100 mcg of selenium per day or placebo for six months. At the end of the trial, there were four deaths from heart disease in the placebo group but none in the selenium group; however, the number of people was too small for this difference to be statistically significant. Some doctors recommend that people with atherosclerosis supplement with 100–200 mcg of selenium per day. |
2 Stars Colon Cancer 200 mcg daily | Selenium appears to protect against a variety of cancers, including colon cancer. Selenium has been reported to have diverse anticancer actions. Selenium inhibits cancer in animals. Low soil levels of selenium, probably associated with low dietary intake, have been associated with increased cancer incidence in humans. Blood levels of selenium have been reported to be low in patients with a variety of cancers, including colon cancer. In preliminary reports, people with the lowest blood levels of selenium had between 3.8 and 5.8 times the risk of dying from cancer compared with those who had the highest selenium levels. The strongest evidence supporting the anticancer effects of selenium supplementation comes from a double-blind trial of 1,312 Americans with a history of skin cancer who were treated with 200 mcg of yeast-based selenium per day or placebo for 4.5 years, then followed for an additional two years. Although no decrease in skin cancers occurred, a dramatic 50% reduction in overall cancer deaths and a 37% reduction in total cancer incidence were observed. A statistically significant 58% decrease in cancers of the colon and rectum was reported. |
2 Stars Depression 100 mcg per day | Selenium deficiency may contribute to depression. Taking selenium can counteract this deficiency and improve depression symptoms. Less than optimal intake of may have adverse effects on psychological function, even in the absence of signs of frank selenium deficiency. In a preliminary trial of healthy young men, consumption of a high-selenium diet (226.5 mcg selenium per day) was associated with improved mood (i.e., decreased confusion, depression, anxiety, and uncertainty), compared to consumption of a low-selenium diet (62.6 mcg selenium per day.) In a double-blind trial, people who had a low selenium intake experienced greater improvement in depression symptoms after selenium supplementation (100 mcg per day) than did people with adequate selenium intake, suggesting that low-level selenium deficiency may contribute to depression. |
2 Stars Dermatitis Herpetiformis 200 mcg daily | Supplementing with selenium and vitamin E has been shown to correct an antioxidant deficiency common in DH. A deficiency in the -containing antioxidant enzyme known as glutathione peroxidase has been reported in DH. Preliminary and double-blind trials suggest that supplementation with 10 IU of vitamin E and 200 mcg of selenium per day for six to eight weeks corrected this deficiency but did not lead to symptom improvement in the double-blind trial. |
2 Stars Edema 230 mcg daily | People with lymphedema of the arm or head-and-neck region who were treated with selenium saw an improvement in quality of life and edema symptoms in one study. In a preliminary study, individuals with lymphedema of the arm or head-and-neck region were treated with approximately 230 mcg of selenium per day, in the form of sodium selenite, for four to six weeks. A quality-of-life assessment showed an improvement of 59%, and the circumference of the edematous arm was reduced in 10 of 12 cases. |
2 Stars Heart Attack 100 to 200 mcg daily | Some doctors recommend that people at risk for a heart attack supplement with selenium. The relation between and protection from heart attacks remains uncertain. Low blood levels of selenium have been reported in people immediately following a heart attack, suggesting that heart attacks may increase the need for selenium. However, other researchers claim that low selenium levels are present in people before they have a heart attack, suggesting that the lack of selenium might increase heart attack risk. One report found that low blood levels of selenium increased the risk of heart attack only in smokers, and another found the link only in former smokers. Yet others have found no link between low blood levels of selenium and heart attack risk whatsoever. In a double-blind trial, individuals who already had one heart attack were given 100 mcg of selenium per day or placebo for six months. At the end of the trial, there were four deaths from heart disease in the placebo group but none in the selenium group (although the numbers were too small for this difference to be statistically significant). In other controlled research, a similar group was given placebo or 500 mcg of selenium six hours or less after a heart attack followed by an ongoing regimen of 100 mcg of selenium plus 100 mg of coenzyme Q10 per day. One year later, six people had died from a repeat heart attack in the placebo group, compared with no heart attack deaths in the supplement group. Despite the lack of consistency in published research, some doctors recommend that people at risk for a heart attack supplement with selenium—most commonly 200 mcg per day. |
2 Stars HIV and AIDS Support Take under medical supervision: 400 mcg daily | Supplementing with selenium may result in fewer infections, a healthier appetite, and other benefits. deficiency is an independent factor associated with high mortality among HIV-positive people. HIV-positive people who took selenium supplements experienced fewer infections, better intestinal function, improved appetite, and improved heart function (which had been impaired by the disease) than those who did not take the supplements. The usual amount of selenium taken was 400 mcg per day. Selenium deficiency has been found more often in people with HIV-related cardiomyopathy (heart abnormalities) than in those with HIV and normal heart function. People with HIV-related cardiomyopathy may benefit from selenium supplementation. In a small preliminary trial, people with AIDS and cardiomyopathy, 80% of whom were found to be deficient in selenium, were given 800 mcg of selenium per day for 15 days, followed by 400 mcg per day for eight days. Improvements in heart function were noted after selenium supplementation. People wishing to supplement with more than 200 mcg of selenium per day should be monitored by a doctor. |
2 Stars Immune Function 100 mcg daily with 20 mg zinc daily | Selenium supplements have been reported to help improve immune function in seniors. Most, but not all, double-blind studies have shown that elderly people have better immune function and reduced infection rates when taking a multiple vitamin-mineral formula. In one double-blind trial, supplements of 100 mcg per day of and 20 mg per day of zinc, with or without additional vitamin C, vitamin E, and beta-carotene, reduced infections in elderly people, though vitamins without minerals had no effect. Burn victims have also experienced fewer infections after receiving trace mineral supplements in double-blind research. These studies suggest that trace minerals may be the most important micronutrients for enhancing immunity and preventing infections in the elderly. |
2 Stars Infection 100 mcg per day with 20 mg per day of zinc | Selenium supplements have been reported to help reduce infections in elderly people. Most, but not all, double-blind studies have shown that elderly people have better immune function and reduced infection rates when taking a multiple vitamin-mineral formula. In one double-blind trial, supplements of 100 mcg per day of and 20 mg per day of zinc, with or without additional vitamin C, vitamin E, and beta-carotene, reduced infections in elderly people, though vitamins without minerals had no effect. Burn victims have also experienced fewer infections after receiving trace mineral supplements in double-blind research. These studies suggest that trace minerals may be the most important micronutrients for enhancing immunity and preventing infections in the elderly. |
2 Stars Lung Cancer 200 mcg daily | Selenium, reported to have diverse anticancer actions, has been shown in one study to reduce lung cancer incidence. has been reported to have diverse anticancer actions. Selenium inhibits cancer growth in animals. Low soil levels of selenium (probably associated with low dietary intake), have been associated with increased cancer incidence in humans. Blood levels of selenium have been reported to be low in patients with many cancers, including lung cancer. In preliminary reports, people with the lowest blood levels of selenium had between 3.8 and 5.8 times the risk of dying from cancer compared with those who had the highest selenium levels. The strongest evidence supporting the anticancer effects of selenium supplementation comes from a double-blind trial of 1,312 Americans with a history of skin cancer who were treated with 200 mcg of yeast-based selenium per day or a placebo for 4.5 years and then followed for an additional two years. Although no decrease in skin cancers occurred, a 50% reduction in overall cancer deaths and a 37% reduction in total cancer incidence was observed. A 46% decrease in lung cancer incidence and a 53% drop in deaths from lung cancer also occurred. These findings were all statistically significant. |
2 Stars Male Infertility 100 mcg daily | In a study of infertile men with reduced sperm motility, supplementing with selenium significantly increased sperm motility. In a double-blind study of infertile men with reduced sperm motility, supplementation with (100 mcg per day for three months) significantly increased sperm motility, but had no effect on sperm count. Eleven percent of 46 men receiving selenium achieved paternity, compared with none of 18 men receiving a placebo. |
2 Stars Osgood-Schlatter Disease 150 mcg a day with 400 IU a day of vitamin E | Taking a combination of vitamin E and selenium may help the healing. Based on the personal experience of a doctor who reported his findings, some physicians recommend vitamin E (400 IU per day) and (50 mcg three times per day). One well-known, nutritionally oriented doctor reports anecdotally that he has had considerable success with this regimen and often sees results in two to six weeks. |
2 Stars Pancreatic Insufficiency 600 mcg, taken under the supervision of a doctor | Taking antioxidant supplements, such as selenium, may lessen pain and prevent pancreatitis recurrences. There are few controlled trials of antioxidant supplementation to patients with pancreatitis. One small controlled study of acute pancreatitis patients found that sodium selenite at a dose of 500 micrograms (mcg) daily resulted in decreased levels of a marker of free radical activity, and no patient deaths occurred. In a small double-blind trial including recurrent acute and chronic pancreatitis patients, supplements providing daily doses of 600 mcg selenium, 9,000 IU beta-carotene, 540 mg Vitamin C, 270 IU vitamin E, and 2,000 mg methionine significantly reduced pain, normalized several blood measures of antioxidant levels and free radical activity, and prevented acute recurrences of pancreatitis. These researchers later reported that continuing antioxidant treatment in these patients for up to five years or more significantly reduced the total number of days spent in hospital and resulted in 78% of patients becoming pain-free and 88% returning to work. |
2 Stars Phenylketonuria Adolescents and adults: 55 mcg daily; for infants and children: 15 to 40 mcg daily, according to age | Selenium deficiency may develop on the PKU diet, and supplementation may help correct this. People with PKU may be deficient in several nutrients, due to the restricted diet which is low in protein and animal fat. Deficiencies of long-chain polyunsaturated fatty acids (LC-PUFAs),,vitamin B12, and vitamin K may develop on this diet. Selenium is important for normal antioxidant function. Research suggests that selenium deficiency and decreased antioxidant activity may contribute to the brain and nerve disorders associated with PKU. In two preliminary studies involving selenium-deficient people with PKU, supplementation with selenium in the form of sodium selenite corrected the deficiency, whereas supplementation with selenium in the form of selenomethionine did not. |
2 Stars Prostate Cancer 200 mcg daily | Selenium has been reported to have diverse anticancer actions. Supplementing with this mineral may decrease your prostate cancer risk. has been reported to have diverse anticancer actions. Selenium inhibits cancer in animals. Low soil levels of selenium (probably associated with low dietary intake), have been associated with increased cancer incidence in humans. Blood levels of selenium have been reported to be low in patients with prostate cancer. In preliminary reports, people with the lowest blood levels of selenium had between 3.8 and 5.8 times the risk of dying from cancer compared with those who had the highest selenium levels. The strongest evidence supporting the anticancer effects of supplementation comes from a double-blind trial of 1,312 Americans with a history of skin cancer who were treated with 200 mcg of yeast-based selenium per day or placebo for 4.5 years and then followed for an additional two years. Although no decrease in skin cancers occurred, a dramatic 50% reduction in overall cancer deaths and a 37% reduction in total cancer incidence were observed. A statistically significant 63% decrease in prostate cancer incidence was reported. However, in a follow-up double-blind trial that included 35,533 healthy men, supplementing with 200 mcg per day of selenium for an average of 5.5 years had no effect on the incidence of prostate cancer. In another trial, 5,141 men were randomly assigned to receive a placebo or a daily supplement containing 100 mcg of selenium, 120 mg of vitamin C, 30 IU of vitamin E, 6 mg of beta-carotene, and 20 mg of zinc 20 for eight years. Among men with a normal PSA level at the start of the study, there was a statistically significant 48% reduction in the incidence of prostate cancer. Among men with an initially elevated PSA level, the supplemented group had an increased incidence of prostate cancer that was not statistically significant. |
2 Stars Rheumatoid Arthritis 200 mcg daily | People with rheumatoid arthritis have been found to have lower selenium levels than healthy people. Supplementing with selenium may reduce pain and joint inflammation. People with RA have been found to have lower levels than healthy people. One of two double-blind trials using at least 200 mcg of selenium per day for three to six months found that selenium supplementation led to a significant reduction in pain and joint inflammation in RA patients, but the other reported no beneficial effect. More controlled trials are needed to determine whether selenium reduces symptoms in people with RA. |
2 Stars Type 1 Diabetes 100 to 200 micrograms daily | Selenium is an important antioxidant that, along with other antioxidant supplements, may help prevent complications in people with type 1 diabetes. Because oxidative damage is believed to play a role in the development of diabetic complications, such as eye damage (retinopathy), kidney damage (nephropathy), and nerve damage (neuropathy), antioxidant nutrients like selenium might play an important preventive role. In a placebo-controlled trial that included people with type 1 and type 2 diabetes and related nephropathy, those given 200 micrograms of selenium per day for 12 weeks had increased antioxidant capacity but no change in markers of kidney function. One doctor reported administering a per day regimen of antioxidants including 500 micrograms selenium, plus 800 IU vitamin E, 10,000 IU vitamin A, and 1,000 mg vitamin C, per day for several years to 20 people with diabetic eye damage (retinopathy). During that time, the doctor observed that 19 of the 20 people showed either improvement or no progression of their retinopathy. In a three-month study, taking supplements providing 100 micrograms selenium, 600 mg alpha-lipoic acid, and 1,200 IU vitamin E per day resulted in improvements in neuropathy symptoms in those with long-standing diabetes. People who wish to supplement with more than 250 mcg of selenium per day should consult a healthcare practitioner. |
1 Star Abnormal Pap Smear Refer to label instructions | Low levels of selenium have been observed in women with cervical dysplasia. Low levels of and low dietary intake of vitamin C have been observed in women with cervical dysplasia. |
1 Star Age-Related Cognitive Decline Refer to label instructions | In a preliminary trial of individuals with mild cognitive impairment and low blood levels of selenium, the improvement in measures of cognitive function was significantly greater in the group eating Brazil nuts than in the control group. In a preliminary trial, elderly individuals with mild cognitive impairment and low blood levels of selenium consumed one Brazil nut per day (providing an estimated 289 mcg of selenium per day) or no Brazil nuts (control group) for 6 months. The improvement in measures of cognitive function was significantly greater in the group eating Brazil nuts than in the control group. Additional research is needed to determine whether taking selenium supplements or eating Brazil nuts would be beneficial for people with normal blood levels of selenium. |
1 Star Asthma (Vitamin C, Vitamin E) Refer to label instructions | There is some evidence that a combination of antioxidants vitamin E, vitamin C, and selenium may help prevent asthma thought to be caused by air pollution. There is some evidence that combinations of antioxidants such as vitamin E, vitamin C, and selenium may help improve symptoms of asthma throught to be caused by air pollution. In one double-blind study, 46 Dutch bicyclists were randomly assigned to receive a placebo or 100 mg of vitamin E and 500 mg of vitamin C daily for 15 weeks. Lung function was measured before and after each training session on 380 different occasions, and ambient ozone concentrations were measured during each training session. After analysis, researchers concluded that bicyclists with the vitamins C and E blunted the adverse effects of ozone on measures of lung function. In another double-blind study, 17 adults (18 to 39 years old) were randomly assigned to receive either 400 IU per day of vitamin E and 500 mg per day of vitamin C or a placebo for five weeks. Tests showing improved measures of lung function led researchers to conclude that supplementation with vitamins C and E inhibited the decline in pulmonary function induced in asthmatics by exposure to air pollutants. Also using a double-blind design, another study of 158 children with asthma living in Mexico City were randomly assigned to receive, a daily supplement containing 50 mg of vitamin E and 250 mg of vitamin C or a placebo. Tests results suggested that supplementing with vitamins C and E may reduce the adverse effect of ozone exposure on lung function of children with moderate to severe asthma. |
1 Star Cardiac Arrhythmia Refer to label instructions | Supplementing with selenium may improve many arrhythmias. Gross deficiency of dietary may cause many heart problems, including arrhythmia. Based on this finding, one author has theorized that correction of low selenium status may improve many arrhythmias, even in the absence of overt deficiency symptoms. Controlled research is needed to evaluate this possibility. |
1 Star Cardiomyopathy and Keshan's Cardiomyopathy Refer to label instructions | Supplementing with selenium can correct selenium deficiency, which is believed to be a cause of Keshan’s disease, a form of cardiomyopathy found in China. deficiency has occasionally been reported as a cause of cardiomyopathy. Selenium deficiency is the probable cause of Keshan’s disease, a form of cardiomyopathy found in China but only rarely reported in the United States. Studies comparing populations in parts of the world other than mainland China have not supported a link between selenium deficiency and DCM, except in Taiwan. Moreover, no clinical trials outside of China have explored the effects of supplementation with selenium for people with DCM, nor is there reason to believe that selenium supplementation would help most people outside of China and Taiwan suffering from cardiomyopathy. |
1 Star Childhood Diseases Refer to label instructions | Supplementing with selenium, an antioxidant mineral, supports a healthy immune system and has been found to prevent viral infections. is a mineral known to have antioxidant properties and to be involved in healthy immune system activity. Recent animal and human research suggests that selenium deficiency increases the risk of viral infection and that supplementation prevents viral infection. In a controlled trial, children with a specific viral infection (respiratory syncytial virus) who received a single supplement of 1 mg (1,000 mcg) of sodium selenite (a form of selenium) recovered more quickly than children who did not receive selenium. While it is possible that childhood exanthemous viral infections might similarly be more severe in selenium-deficient children and helped through supplementation, none of the current research involves these specific viruses. |
1 Star Down Syndrome Refer to label instructions | People with Down syndrome may be deficient in selenium. A preliminary study found that antioxidant activity in the body improved when children with Down syndrome took selenium. Blood levels of the antioxidant minerals and zinc were normal in one study of people with Down’s syndrome, but others have found selenium and zinc levels to be low. In some studies more than 60% of patients with Down’s syndrome had low zinc levels. A preliminary study of selenium supplementation in children with Down’s syndrome found that the antioxidant activity in the body improved; however, the implications of this finding on the long-term health of these people is unclear. Zinc is critical for proper immune function, and in one preliminary study the majority of patients with Down’s syndrome examined had low zinc levels and low immune cell activity. Supplementation with zinc resulted in improved immune cell activity. In preliminary intervention trials, improved immune cell activity was associated with reduced rates of infection in Down’s syndrome patients given supplemental zinc in the amount of 1 mg per 2.2 pounds of body weight per day. A controlled trial, however, did not find zinc, at 25 mg daily for children under 10 years of age and 50 mg for older children, to have these benefits. Zinc has other roles in the body; preliminary data have indicated that zinc supplementation, at 1 mg per 2.2 pounds of body weight per day, improved thyroid function in Down’s syndrome patients, and increased growth rate in children with Down’s syndrome. |
1 Star Halitosis and Gum Disease Spray a lotion containing 3.7% citronella in a slow-release formula every morning for six days per week | Selenium is often recommended by doctors to help prevent and treat periodontitis. Nutritional supplements recommended by some doctors for prevention and treatment of periodontitis include vitamin C (people with periodontitis are often found to be deficient),vitamin E, , zinc, coenzyme Q10, and folic acid. Folic acid has also been shown to reduce the severity of gingivitis when taken as a mouthwash. |
1 Star Hepatitis 100 mg per | In one trial, a combination of alpha lipoic acid, silymarin, and selenium led to significant improvements in liver function and overall health in people with hepatitis C. A potent antioxidant combination may protect the liver from damage in people with hepatitis C, possibly decreasing the necessity for a liver transplant. In a preliminary trial, three people with liver cirrhosis and esophageal varices (dilated veins in the esophagus that can rupture and cause fatal bleeding) caused by hepatitis C received a combination of Alpha lipoic acid (300 mg twice daily), silymarin (from milk thistle; 300 mg three times daily), and (selenomethionine; 200 mcg twice daily). After five to eight months of therapy that included other “supportive supplements,” such as vitamin C and B vitamins, all three people had significant improvements in their liver function and overall health. Larger clinical trials are needed to confirm these promising preliminary results. |
1 Star High Cholesterol 200 micrograms per day | Selenium does not appear to have substantial cholesterol-lowering effects. A meta-analysis of data from eleven randomized controlled trials with a combined total of 1,221 participants found supplementation reduced total cholesterol levels without significantly impacting LDL-, HDL-, or non-HDL-cholesterol levels. Another meta-analysis that included findings from five trials in participants with diseases related to metabolic syndrome also found selenium had no effect on lipid profiles. Nevertheless, a research review suggested supplementing with 200 micrograms daily may have some cholesterol-lowering benefits in those with high baseline cholesterol levels. |
1 Star Hypothyroidism Refer to label instructions | Selenium plays a role in thyroid hormone metabolism. People who are deficient in selenium may benefit from supplementation. plays a role in thyroid hormone metabolism. Severe selenium deficiency has been implicated as a possible cause of goiter. Two months of selenium supplementation in people who were deficient in both selenium and iodine was shown to induce a dramatic fall of the already impaired thyroid function in clinically hypothyroid subjects. Researchers have suggested that people who are deficient in both selenium and iodine should not take selenium supplements without first receiving iodine or thyroid hormone supplementation. There is no research demonstrating that selenium supplementation helps people with hypothyroidism who are not selenium-deficient. |
1 Star Liver Cirrhosis Refer to label instructions | People with liver cirrhosis often have low selenium levels and a greater need for antioxidants. In one study, selenium improved liver function in people with alcoholic cirrhosis. levels have been found to be low in people with liver cirrhosis and the need for antioxidants has been found to be increased. A small, preliminary trial suggested that 100 mcg per day of selenium may improve liver function in people with alcoholic cirrhosis. Larger, double-blind trials of selenium in people with liver cirrhosis are needed. |
1 Star Macular Degeneration Refer to label instructions | Sunlight triggers oxidative damage in the eye, which can cause macular degeneration. Selenium protects against oxidative damage and may reduce macular degeneration risk. Sunlight triggers oxidative damage in the eye, which in turn can cause macular degeneration. Animals given antioxidants—which protect against oxidative damage—have a lower risk of this vision problem. People with high blood levels of antioxidants also have a lower risk. Those with the highest levels (top 20th percentile) of the antioxidants , vitamin C, and vitamin E may have a 70% lower risk of developing macular degeneration, compared with people with the lowest levels of these nutrients (bottom 20th percentile). People who eat fruits and vegetables high in beta-carotene, another antioxidant, are also at low risk. Some doctors recommend antioxidant supplements to reduce the risk of macular degeneration; reasonable adult levels include 200 mcg of selenium, 1,000 mg of vitamin C, 400 IU of vitamin E, and 25,000 IU of natural beta-carotene per day. However, a preliminary study found no association between age-related macular degeneration and intake of antioxidants, either from the diet, from supplements, or from both combined. Moreover, in a double-blind study of male cigarette smokers, supplementing with vitamin E (50 IU per day), synthetic beta-carotene (about 33,000 IU per day), or both did not reduce the incidence of age-related macular degeneration. |
1 Star Pre- and Post-Surgery Health Refer to label instructions | Selenium has an important role in immune function and infection prevention, and supplementing with it may correct a postoperative selenium deficiency. is a mineral nutrient with an important role in immune function and infection prevention, and selenium deficiency has been reported in patients after intestinal surgery. A controlled trial of critically ill patients, including some with recent major surgery, found that those receiving daily intravenous selenium injections for three weeks showed less biochemical signs of body stress compared with unsupplemented patients. The amount used in this trial was 500 mcg twice daily for the first week, 500 mcg once daily for the second week, and 100 mcg three times daily for the third week. |
1 Star Seborrheic Dermatitis Refer to label instructions | |
1 Star Type 1 Diabetes and Diabetic Retinopathy (Vitamin A, Vitamin C, Vitamin E) Refer to label instructions | Antioxidant nutrients including selenium, vitamin A, vitamin C, and vitamin E may combat free radicals associated with diabetic retinopathy. Because oxidation damage is believed to play a role in the development of diabetic eye damage (retinopathy), antioxidant nutrients might be protective. One doctor has administered a daily regimen of 500 mcg , 800 IU vitamin E, 10,000 IU vitamin A, and 1,000 mg vitamin C for several years to 20 people with diabetic eye damage (retinopathy). During that time, 19 of the 20 people showed either improvement or no progression of their retinopathy. People who wish to supplement with more than 250 mcg of selenium per day should consult a healthcare practitioner. |
How It Works
How to Use It
While the Recommended Dietary Allowance for most adults is 55 mcg per day, an adult intake of 100–200 mcg of selenium per day is recommended by many doctors.
Where to Find It
Brazil nuts are the best source of selenium. Yeast, whole grains, and seafood are also good sources. Animal studies have found that selenium from yeast is better absorbed than selenium in the form of selenite.1
Possible Deficiencies
While most people probably don’t take in enough selenium, gross deficiencies are rare in Western countries. Soils in some areas are selenium-deficient and people who eat foods grown primarily on selenium-poor soils are at risk for deficiency. People with AIDS have been reported to be depleted in selenium.2 Similarly, limited research has reported an association between heart disease and depleted levels of selenium.3 People who are deficient in selenium have an increased risk of developing certain types of rheumatoid arthritis.4
Interactions
Interactions with Supplements, Foods, & Other Compounds
Selenium enhances the antioxidant effect of vitamin E.
Interactions with Medicines
Certain medicines interact with this supplement.
Replenish Depleted Nutrients
- Clozapine
One controlled study showed that taking clozapine can decrease blood levels of selenium, a mineral with antioxidant activity. While more research is needed to determine whether people taking clozapine might require selenium supplementation, until more information is available, some health practitioners recommend supplementation.
- Dexamethasone
- Methylprednisolone
- Prednisolone
- Prednisone
Reduce Side Effects
- Abiraterone
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Abiraterone, Submicronized
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Acalabrutinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Acalabrutinib Maleate
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Aldesleukin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Alemtuzumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Amifostine Crystalline
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Anastrozole
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Apalutamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Arsenic Trioxide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Asciminib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Asparaginase
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Avapritinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Axitinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Azacitidine
Chemotherapy can injure cancer cells by creating oxidative damage. As a result, some oncologists recommend that patients avoid supplementing antioxidants if they are undergoing chemotherapy. Limited test tube research occasionally does support the idea that an antioxidant can interfere with oxidative damage to cancer cells. However, most scientific research does not support this supposition.
A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.Vitamin C appears to increase the effectiveness of chemotherapy in animals and with human breast cancer cells in test tube research. In a double-blind study, Japanese researchers found that the combination of vitamin E, vitamin C, and N-acetyl cysteine (NAC)—all antioxidants—protected against chemotherapy-induced heart damage without interfering with the action of the chemotherapy.
A comprehensive review of antioxidants and chemotherapy leaves open the question of whether supplemental antioxidants definitely help people with chemotherapy side effects, but the article strongly suggests that antioxidants need not be avoided for fear that the actions of chemotherapy would be interfered with.
A new formulation of (Seleno-Kappacarrageenan) was found to reduce kidney damage and white blood cell–lowering effects of cisplatin in one human study. However, the level used in this study (4,000 mcg per day) is potentially toxic and should only be used under the supervision of a doctor.
- BCG Live
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Belinostat
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Bevacizumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Bexarotene
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Bicalutamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Bleomycin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Bortezomib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Bosutinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Busulfan
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cabazitaxel
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cabozantinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Capecitabine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Capmatinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Carboplatin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Carfilzomib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Carmustine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ceritinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cetuximab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Chlorambucil
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cisplatin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cladribine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Clofarabine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Crizotinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cromolyn
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cyclophosphamide
Patients being treated with cyclophosphamide and cisplatin for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cytarabine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Cytarabine Liposome
Chemotherapy can injure cancer cells by creating oxidative damage. As a result, some oncologists recommend that patients avoid supplementing antioxidants if they are undergoing chemotherapy. Limited test tube research occasionally does support the idea that an antioxidant can interfere with oxidative damage to cancer cells. However, most scientific research does not support this supposition.
A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.Vitamin C appears to increase the effectiveness of chemotherapy in animals and with human breast cancer cells in test tube research. In a double-blind study, Japanese researchers found that the combination of vitamin E, vitamin C, and N-acetyl cysteine (NAC)—all antioxidants—protected against chemotherapy-induced heart damage without interfering with the action of the chemotherapy.
A comprehensive review of antioxidants and chemotherapy leaves open the question of whether supplemental antioxidants definitely help people with chemotherapy side effects, but the article strongly suggests that antioxidants need not be avoided for fear that the actions of chemotherapy would be interfered with.
A new formulation of (Seleno-Kappacarrageenan) was found to reduce kidney damage and white blood cell–lowering effects of cisplatin in one human study. However, the level used in this study (4,000 mcg per day) is potentially toxic and should only be used under the supervision of a doctor.
- Dabrafenib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Dactinomycin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Darolutamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Dasatinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Daunorubicin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Daunorubicin Liposome
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Decitabine
Chemotherapy can injure cancer cells by creating oxidative damage. As a result, some oncologists recommend that patients avoid supplementing antioxidants if they are undergoing chemotherapy. Limited test tube research occasionally does support the idea that an antioxidant can interfere with oxidative damage to cancer cells. However, most scientific research does not support this supposition.
A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.Vitamin C appears to increase the effectiveness of chemotherapy in animals and with human breast cancer cells in test tube research. In a double-blind study, Japanese researchers found that the combination of vitamin E, vitamin C, and N-acetyl cysteine (NAC)—all antioxidants—protected against chemotherapy-induced heart damage without interfering with the action of the chemotherapy.
A comprehensive review of antioxidants and chemotherapy leaves open the question of whether supplemental antioxidants definitely help people with chemotherapy side effects, but the article strongly suggests that antioxidants need not be avoided for fear that the actions of chemotherapy would be interfered with.
A new formulation of (Seleno-Kappacarrageenan) was found to reduce kidney damage and white blood cell–lowering effects of cisplatin in one human study. However, the level used in this study (4,000 mcg per day) is potentially toxic and should only be used under the supervision of a doctor.
- Degarelix
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Denileukin Diftitox
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Dexrazoxane
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Docetaxel
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Doxorubicin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Doxorubicin Liposomal
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Elacestrant
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Entrectinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Enzalutamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Epirubicin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Eribulin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Erlotinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Estramustine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Etoposide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Etoposide Phosphate
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Everolimus
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Exemestane
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Floxuridine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Fludarabine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Fluorouracil
Chemotherapy can injure cancer cells by creating oxidative damage. As a result, some oncologists recommend that patients avoid supplementing antioxidants if they are undergoing chemotherapy. Limited test tube research occasionally does support the idea that an antioxidant can interfere with oxidative damage to cancer cells. However, most scientific research does not support this supposition.
A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.Vitamin C appears to increase the effectiveness of chemotherapy in animals and with human breast cancer cells in test tube research. In a double-blind study, Japanese researchers found that the combination of vitamin E, vitamin C, and N-acetyl cysteine (NAC)—all antioxidants—protected against chemotherapy-induced heart damage without interfering with the action of the chemotherapy.
A comprehensive review of antioxidants and chemotherapy leaves open the question of whether supplemental antioxidants definitely help people with chemotherapy side effects, but the article strongly suggests that antioxidants need not be avoided for fear that the actions of chemotherapy would be interfered with.
A new formulation of (Seleno-Kappacarrageenan) was found to reduce kidney damage and white blood cell–lowering effects of cisplatin in one human study. However, the level used in this study (4,000 mcg per day) is potentially toxic and should only be used under the supervision of a doctor.
- Flutamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Fruquintinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Fulvestrant
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Gefitinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Gemcitabine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Gemtuzumab Ozogamicin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Goserelin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Hydroxyurea
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ibrutinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Idarubicin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ifosfamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Imatinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Interferon Alfa-2a
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Interferon Alfa-2B
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ipilimumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Irinotecan
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Irinotecan Liposomal
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ixabepilone
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ixazomib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Kit For Indium-111-Ibritumomab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Kit For Yttrium-90-Ibritumomab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Lapatinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Lenalidomide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Lenvatinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Letrozole
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Leucovorin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Leuprolide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Leuprolide (3 Month)
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Leuprolide (4 Month)
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Leuprolide (6 Month)
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Levoleucovorin Calcium
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Lomustine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Margetuximab-Cmkb
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mechlorethamine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Medroxyprogesterone
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Megestrol
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Melphalan
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Melphalan Flufenamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Melphalan Hcl
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Melphalan Hcl-Betadex Sbes
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mercaptopurine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mesna
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Methotrexate
Chemotherapy can injure cancer cells by creating oxidative damage. As a result, some oncologists recommend that patients avoid supplementing antioxidants if they are undergoing chemotherapy. Limited test tube research occasionally does support the idea that an antioxidant can interfere with oxidative damage to cancer cells. However, most scientific research does not support this supposition.
A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.Vitamin C appears to increase the effectiveness of chemotherapy in animals and with human breast cancer cells in test tube research. In a double-blind study, Japanese researchers found that the combination of vitamin E, vitamin C, and N-acetyl cysteine (NAC)—all antioxidants—protected against chemotherapy-induced heart damage without interfering with the action of the chemotherapy.
A comprehensive review of antioxidants and chemotherapy leaves open the question of whether supplemental antioxidants definitely help people with chemotherapy side effects, but it clearly shows that antioxidants need not be avoided for fear that the actions of chemotherapy are interfered with. Although research remains incomplete, the idea that people taking chemotherapy should avoid antioxidants is not supported by scientific research.
A new formulation of (Seleno-Kappacarrageenan) was found to reduce kidney damage and white blood cell–lowering effects of cisplatin in one human study. However, the level used in this study (4,000 mcg per day) is potentially toxic and should only be used under the supervision of a doctor.
Glutathione, the main antioxidant found within cells, is frequently depleted in individuals on chemotherapy and/or radiation. Preliminary studies have found that intravenously injected glutathione may decrease some of the adverse effects of chemotherapy and radiation, such as diarrhea.
- Methoxsalen
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Midostaurin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mitomycin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mitotane
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mitoxantrone
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Mobocertinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Necitumumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Nelarabine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Nilotinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Nilutamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Nintedanib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Obinutuzumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ofatumumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Oxaliplatin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Paclitaxel
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Paclitaxel-Protein Bound
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Panitumumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Panobinostat
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pazopanib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pegaspargase
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Peginterferon Alfa-2b
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pemetrexed
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pentostatin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pertuzumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pertuzumab-Trastuzumab-Hy-Zzxf
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pexidartinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pirtobrutinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Polifeprosan 20 with Carmustine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pomalidomide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ponatinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Pralatrexate
Chemotherapy can injure cancer cells by creating oxidative damage. As a result, some oncologists recommend that patients avoid supplementing antioxidants if they are undergoing chemotherapy. Limited test tube research occasionally does support the idea that an antioxidant can interfere with oxidative damage to cancer cells. However, most scientific research does not support this supposition.
A modified form of vitamin A has been reported to work synergistically with chemotherapy in test tube research.Vitamin C appears to increase the effectiveness of chemotherapy in animals and with human breast cancer cells in test tube research. In a double-blind study, Japanese researchers found that the combination of vitamin E, vitamin C, and N-acetyl cysteine (NAC)—all antioxidants—protected against chemotherapy-induced heart damage without interfering with the action of the chemotherapy.
A comprehensive review of antioxidants and chemotherapy leaves open the question of whether supplemental antioxidants definitely help people with chemotherapy side effects, but it clearly shows that antioxidants need not be avoided for fear that the actions of chemotherapy are interfered with. Although research remains incomplete, the idea that people taking chemotherapy should avoid antioxidants is not supported by scientific research.
A new formulation of (Seleno-Kappacarrageenan) was found to reduce kidney damage and white blood cell–lowering effects of cisplatin in one human study. However, the level used in this study (4,000 mcg per day) is potentially toxic and should only be used under the supervision of a doctor.
Glutathione, the main antioxidant found within cells, is frequently depleted in individuals on chemotherapy and/or radiation. Preliminary studies have found that intravenously injected glutathione may decrease some of the adverse effects of chemotherapy and radiation, such as diarrhea.
- Radium Ra 223 Dichloride
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Regorafenib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Relugolix
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Repotrectinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ripretinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Rituximab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Rituximab-Hyaluronidase,Human
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Romidepsin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Ropeginterferon Alfa-2b-Njft
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Samarium Sm 153 Lexidronam
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Sipuleucel-T In Lr
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Sorafenib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Strontium-89 Chloride
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Sulfacetamide
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Sunitinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Tamoxifen
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Temsirolimus
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- TeniposIde
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Tepotinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Thioguanine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Thiotepa
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Tivozanib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Topotecan
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Toremifene
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Trametinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Trastuzumab
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Trastuzumab-Hyaluronidase-Oysk
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Tremelimumab-Actl
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Tretinoin (Chemotherapy)
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Triptorelin Pamoate
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Umbralisib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Valrubicin
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Vandetanib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Vemurafenib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Vinblastine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Vincristine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Vincristine Sulfate Liposomal
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Vinorelbine
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
- Zanubrutinib
In one human study, administration of 4,000 mcg per day of a selenium product, Seleno-Kappacarrageenan, reduced the kidney damage and white blood cell–lowering effects of the chemotherapy drug cisplatin. The amount of selenium used in this study is potentially toxic and should only be used under the supervision of a doctor. In another study, patients being treated with cisplatin and cyclophosphamide for ovarian cancer were given a multivitamin preparation, with or without 200 mcg of selenium per day. Compared with the group not receiving selenium, those receiving selenium had a smaller reduction in white blood cell count and fewer chemotherapy side effects such as nausea, hair loss, weakness, and loss of appetite.
Support Medicine
none
Reduces Effectiveness
none
Potential Negative Interaction
none
Explanation Required
- Cortisone
Oral corticosteroids have been found to increase urinary loss of . The importance of these losses is unknown.
- Valproate
On the basis of the biochemical actions of valproic acid, it has been suggested that people taking valproic acid should make sure they have adequate intakes of vitamin E and . The importance of supplementation with either nutrient has not yet been tested, however.
Side Effects
Side Effects
Selenium is safe at the level people typically supplement (100–200 mcg); however, taking more than 900 mcg of selenium per day has been reported to cause adverse effects in some people.5 Selenium toxicity can result in loss of fingernails, skin rash, and changes in the nervous system. In the presence of iodine-deficiency-induced goiter, selenium supplementation has been reported to exacerbate low thyroid function.6 Although most research suggests that selenium prevents cancer, one study found an increased risk of a type of skin cancer (squamous cell carcinoma) in people taking selenium supplements.7 The National Academy of Sciences recommends that selenium intake not exceed 400 mcg per day, unless the higher intake is monitored by a healthcare professional.8 In a double-blind study of people who took 200 mcg of selenium per day for several years to prevent recurrences of skin cancer, the incidence of diabetes was higher in people who received selenium (9.7%) than in those who received a placebo (6.5%).9 While this difference was statistically significant, this finding should be considered preliminary, since the study was not originally designed to test whether selenium influences the risk of developing diabetes.
References
1. Yoshida M, Fukunaga K, Tsuchita H, Yasumoto K. An evaluation of the bioavailability of selenium in high-selenium yeast. J Nutr Sci Vitaminol 1999;45:119-28.
2. Dworkin BM. Selenium deficiency in HIV infection and the acquired immunodeficiency syndrome (AIDS). Chem Biol Interact 1994;91:181-6.
3. Moore JA, Noiva R, Wells IC. Selenium concentrations in plasma of patients with arteriographically defined coronary atherosclerosis. Clin Chem 1984;30:1171-3.
4. Knekt P, Heliovaara M, Aho K, et al. Serum selenium, serum alpha-tocopherol, and the risk of rheumatoid arthritis. Epidemiology 2000;11:402-5.
5. Yang GQ, Zhou RH. Further observations on the human maximum safe dietary selenium intake in a seleniferous area of China. J Trace Elem Electrolytes Hlth Dis 1994;8:159-65.
6. Contempre B, Dumont JE, Ngo B, et al. Effect of selenium supplementation in hypothyroid subjects of an iodine and selenium deficient area: the possible danger of indiscriminate supplementation of iodine-deficient subjects with selenium. J Clin Endocrinol Metab 1991;73:213-5.
7. Duffield-Lillico AJ, Slate EH, Reid ME, et al. Selenium supplementation and secondary prevention of nonmelanoma skin cancer in a randomized trial. J Natl Cancer Inst 2003;95:1477-81.
8. Panel on Dietary Antioxidants and Related Compounds, Food and Nutrition Board, Institute of Medicine, National Academy of Sciences. Dietary Reference Intakes for Vitamin C, Vitamin E, Selenium, and Carotenoids. National Academy Press, Washington, D.C., 2000.
9. Stranges S, Marshall JR, Natarajan R, et al. Effects of long-term selenium supplementation on the incidence of type 2 diabetes: a randomized trial. Ann Intern Med 2007;147:217-23.
Last Review: 06-01-2015
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