In some products, selenium is present in protein- or amino acid chelated forms; in still others, the form of selenium is not disclosed. Current evidence favors selenomethionine over the other forms of selenium. [tandfonline.com]

Vitamin B12 Vitamin B12 deficiency is present in nearly 40% of people over 25 years of age & over 50% of men over 50 years old. Vegetarians & Vegans are particularly prone to vitamin B12 deficiency. [wiseowlhealth.com]

Find it in these foods Selenium is naturally present in water and many foods, is added to foods and is also available as a supplement. [clicks.co.za]

Once feared as a plant toxin, it has now been proven that specific levels of selenium must be present in your body for important processes to occur and for your body to perform at its best. [naturalwellness.com]

Precautions For Use People who live in an area where there is an abundance of selenium present naturally is the soil, such as the Dakotas, should not take selenium supplements. [healthambition.com]

• Fatigue

  Without the important role of the thyroid, metabolism is affected and could result in extreme fatigue or other disorders. [newsmax.com]

  Common symptoms of adrenal fatigue include: Constant fatigue Anxiety or depression Immune system issues Blood sugar issues A compromised inflammatory response and associated conditions Sleep issues Hormonal issues such as lowered sex drive or infertility [drlam.com]

  GliSODin General health: this food supplement combines SOD, selenium, vitamin B12 and zinc to strengthen the body and reduce stress and fatigue. [glisodin.com]

  GETTY Supplement overdose: Symtoms of selenium deficiency include fatigue and a foggy brain Deficiency can lead to Keshan disease, which may cause a weakening of the heart and is potentially fatal. [express.co.uk]

• Weakness

  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. [uofmhealth.org]

  While o ptimal selenium levels are imperative for proper thyroid function, abnormally high selenium intake can be toxic – causing gastrointestinal disturbances, changes in nails and hair, weakness, convulsions and decreased cognitive function. [blog.zrtlab.com]

  Get emergency help immediately if any of the following symptoms of overdose occur: Symptoms of overdose Diarrhea fingernail weakening garlic odor of breath and sweat hair loss irritability itching of skin nausea and vomiting unusual tiredness and weakness [drugs.com]

  HIV patients that maintain healthy levels of this nutrient have lower death rates than those with weak levels. It is believed that the already depleted immune system is further weakened by the low levels of Selenium in dying patients. [naturalremedies.org]

  […] studies showed a 31% reduced risk of cancer and 45% reduced risk of deaths from cancer in the groups with the highest selenium intakes or blood levels compared with the lowest selenium levels, particularly in men. [1] Yet, the authors cautioned about weaknesses [hsph.harvard.edu]

• Nausea

  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. [uofmhealth.org]

  Know the overdose risks Excessive intake of it may cause the following side effects: Garlic odour on breath Metallic taste in mouth Hair and nail loss or brittleness Nausea Diarrhoea Rashes Lesions of the skin and nervous system Fatigue Irritability Acute [clicks.co.za]

  An overdose of selenium may cause bad breath, fever, and nausea, as well as liver, kidney and heart problems and other symptoms. At high enough levels, selenium could cause death. Interactions. [webmd.com]

  Dosages of 1,000 micrograms or more a day can cause nausea, vomiting, hair loss and other problems. As mentioned, a few studies have found that selenium (200 micrograms daily) may raise the risk of diabetes. [berkeleywellness.com]

  In addition, side effects for excess amounts of selenium include nausea, vomiting, nail changes, loss of energy and irritability. [mensfitness.com]

• Vomiting

  Dosages of 1,000 micrograms or more a day can cause nausea, vomiting, hair loss and other problems. As mentioned, a few studies have found that selenium (200 micrograms daily) may raise the risk of diabetes. [berkeleywellness.com]

  In addition, side effects for excess amounts of selenium include nausea, vomiting, nail changes, loss of energy and irritability. [mensfitness.com]

  Other side effects may include weakened fingernails, diarrhea, increased irritability, itchy skin, hair loss, fatigue, nausea, vomiting, fever, and bad breath. It is important to note that if taken in very high doses, Selenium can be fatal. [consumerhealthdigest.com]

  Get emergency help immediately if any of the following symptoms of overdose occur: Symptoms of overdose Diarrhea fingernail weakening garlic odor of breath and sweat hair loss irritability itching of skin nausea and vomiting unusual tiredness and weakness [drugs.com]

  Symptoms: Nausea, vomiting Headaches Altered mental state, confusion Lethargy Seizures Coma Groups at risk for deficiency: People living in low-selenium regions who also eat a primarily plant-based diet. [hsph.harvard.edu]

• Diarrhea

  Other side effects may include weakened fingernails, diarrhea, increased irritability, itchy skin, hair loss, fatigue, nausea, vomiting, fever, and bad breath. It is important to note that if taken in very high doses, Selenium can be fatal. [consumerhealthdigest.com]

  Get emergency help immediately if any of the following symptoms of overdose occur: Symptoms of overdose Diarrhea fingernail weakening garlic odor of breath and sweat hair loss irritability itching of skin nausea and vomiting unusual tiredness and weakness [drugs.com]

  Diarrhea from radiation treatments. Early research suggests that taking 500 mcg of selenium on days of radiation therapy and 300 mcg on days without treatments reduces diarrhea by about 54%. Rheumatoid arthritis ( RA ). [medicinenet.com]

  For example, one study found that oral selenium supplements improved overall quality of life and reduced radiation-induced diarrhea in women with cervical and uterine cancer (10). [healthline.com]

• Heart Disease

  Heart disease. A research review published in the American Journal of Clinical Nutrition found no reason to recommend selenium supplements to prevent heart disease. [berkeleywellness.com]

  High selenium yeast and heart disease The development and progression of heart disease — whether ischemic heart disease or chronic heart failure — may well be influenced by the patients’ deficient anti-oxidative capacity. [seleniumfacts.com]

  They have enjoyed significant advertisement campaigns and tapped into people’s fear of heart disease and desire for a quick, low effort fix. Unfortunately, heart disease prevention starts with a healthy diet, regular exercise and not smoking. [evidentlycochrane.net]

  A diet rich in selenium may help keep your heart healthy, as low selenium levels have been linked to an increased risk of heart disease. [healthline.com]

  […] selenium to treat heart disease is mixed. [mountsinai.org]

• Metallic Taste

  Know the overdose risks Excessive intake of it may cause the following side effects: Garlic odour on breath Metallic taste in mouth Hair and nail loss or brittleness Nausea Diarrhoea Rashes Lesions of the skin and nervous system Fatigue Irritability Acute [clicks.co.za]

  Symptoms include rashes, dizziness, a metallic taste in your mouth, and more. Stick to one or two Brazil nuts daily, and skip it if you're eating a diet quite high in other selenium-rich foods. [mindbodygreen.com]

  These may include: a garlic-like smell on the breath and a metallic taste in the mouth brittle nails mottled or decaying teeth gastrointestinal problems such as nausea neurological abnormalities fatigue and irritability skins lesions and rashes hair loss [medicalnewstoday.com]

• Dermatitis

  Overt symptoms of acute and chronic selenium toxicity include brittleness and loss of hair and nails, fatigue, neurologic damage, hepatic degeneration, gastrointestinal disturbances, enlarged spleen, and chronic dermatitis (9). [annals.org]

  Eczema ( atopic dermatitis ). Research suggests that taking yeast that is enriched with 600 mcg of selenium daily for 12 weeks, alone or together with vitamin E, does not improve the severity of eczema. Heart disease. [medicinenet.com]

• Skin Rash

  Side effects include: Fingernail loss Skin rash Fatigue Irritability Weight loss You should not take selenium without talking to your doctor if: You have an underactive thyroid (hypothyroidism) You have had skin cancer You are at risk for skin cancer [mountsinai.org]

• Eczema

  Eczema ( atopic dermatitis ). Research suggests that taking yeast that is enriched with 600 mcg of selenium daily for 12 weeks, alone or together with vitamin E, does not improve the severity of eczema. Heart disease. [medicinenet.com]

  Another surprising benefit to adding selenium to your daily routine is that if you are a sufferer of Eczema and Psoriasis, it can help relieve the constant itchiness and redness that is caused by these skin conditions. [thoroughlyreviewed.com]

• Chronic Dermatitis

  Overt symptoms of acute and chronic selenium toxicity include brittleness and loss of hair and nails, fatigue, neurologic damage, hepatic degeneration, gastrointestinal disturbances, enlarged spleen, and chronic dermatitis (9). [annals.org]

• Muscle Weakness

  This article is Part One of a Series For Part Two, Click Here For part three click here. by Jeffrey Dach MD Susan has Hashimoto’s thyroiditis, an autoimmune thyroid disorder causing fatigue, puffy face and muscle weakness. [jeffreydachmd.com]

• Irritability

  Know the overdose risks Excessive intake of it may cause the following side effects: Garlic odour on breath Metallic taste in mouth Hair and nail loss or brittleness Nausea Diarrhoea Rashes Lesions of the skin and nervous system Fatigue Irritability Acute [clicks.co.za]

  In addition, side effects for excess amounts of selenium include nausea, vomiting, nail changes, loss of energy and irritability. [mensfitness.com]

  […] that selenium supplementation would be an obvious solution to poor thyroid function, long term consumption of high doses of selenium can lead to complications such as gastrointestinal upsets, hair loss, white blotchy nails, garlic breath odor, fatigue, irritability [chriskresser.com]

  Other side effects may include weakened fingernails, diarrhea, increased irritability, itchy skin, hair loss, fatigue, nausea, vomiting, fever, and bad breath. It is important to note that if taken in very high doses, Selenium can be fatal. [consumerhealthdigest.com]

  These may include: a garlic-like smell on the breath and a metallic taste in the mouth brittle nails mottled or decaying teeth gastrointestinal problems such as nausea neurological abnormalities fatigue and irritability skins lesions and rashes hair loss [medicalnewstoday.com]

• Dizziness

  Symptoms include rashes, dizziness, a metallic taste in your mouth, and more. Stick to one or two Brazil nuts daily, and skip it if you're eating a diet quite high in other selenium-rich foods. [mindbodygreen.com]

  Signs of selenium toxicity include: hair loss dizziness nausea vomiting facial flushing tremors muscle soreness In severe cases, acute selenium toxicity can lead to serious intestinal and neurological symptoms, heart attack, kidney failure, and death [healthline.com]

• Seizure

  Symptoms: Nausea, vomiting Headaches Altered mental state, confusion Lethargy Seizures Coma Groups at risk for deficiency: People living in low-selenium regions who also eat a primarily plant-based diet. [hsph.harvard.edu]

The results confirm the protective and beneficial effects of vitamin E and selenium on semen quality and advocate their use in male infertility treatment. [ncbi.nlm.nih.gov]

There’s been no progress so far in finding a treatment for this devastating illness, so researchers have been trying to identify successful approaches to prevention. [minnpost.com]

Inexpensive, proven treatments ahead of starting anti-retroviral therapy can fill an important role." Dr. [cbsnews.com]

The trial focused on differences in viral loads and CD4 counts after nine months of selenium or placebo treatment. [poz.com]

David Brownstein’s protocols are excellent recommendations regarding thyroid testing and treatment. [jeffreydachmd.com]

Selenium deficiency has been implicated in the etiology of Hashimoto’s thyroiditis, and selenium supplementation has been found beneficial. Three Selenium Studies Showing Selenium Beneficial The first study by Dr. [jeffreydachmd.com]

Interacting nutritional and infectious etiologies of Keshan disease: insights from Coxackie virus B-induced myocarditis in mice deficient in selenium or vitamin E. Biol Trace Elem Res. 1997;56:5–21. Xia Y, Hill KE, Byrne DW, et al. [thyroidpharmacist.com]

His research primarily focuses on the epidemiology and prevention of cardiovascular disease and type 2 diabetes. [news-medical.net]

(See Kowalska E et al., Increased Rates of Chromosomes Breakage in BRCA1 Carriers are Normalized by Oral Selenium Supplementation, Cancer Epidemiology Biomarkers and Prevention 2005. See also Alternative Medicine Magazine, March 2006.) [breastcancerchoices.org]

However, other studies, including research by Saverio Stranges, professor of cardiovascular epidemiology at Warwick University, have found no such benefit and, indeed, that it ‘may increase the risk for the disease’. [dailymail.co.uk]

Corroborative epidemiologic evidence is limited. [annals.org]

Epidemiology 18.1 (2007): 52-58. PubMed. Web. 5 Apr. 2016. Li, Yu-Feng, Zeqin Dong, Chunying Chen, Bai Li, Yuxi Gao, Liya Qu, Tianchen Wang, Xin Fu, Yuliang Zhao, and Zhifang Chai. [globalhealingcenter.com]

Selenium and Thyroid Disease: From Pathophysiology to Treatment. International Journal of Endocrinology. 2017;2017:1297658. doi:10.1155/2017/1297658. Gärtner R, Gasnier BC, Dietrich JW, Krebs B, Angstwurm MW. [thyroidpharmacist.com]

GliSODin Skin brightening: this food supplement combines selenium with other antioxidants to prevent the suns’ harmful effects on the skin. [glisodin.com]

A wave of hope swept through those examining the role of nutrition in cancer prevention, especially to prevent prostate cancer. [irishtimes.com]

But the findings for that study — known as the Prevention of Alzheimer’s Disease by Vitamin E and Selenium, or PREADViSE — were equally disappointing. [minnpost.com]

Selenium for Cancer Prevention Selenium being a source of antioxidants can prevent free radical damage and help prevent cancer especially in stomach, liver, thyroid gland, breast and skin. [medindia.net]

One of the early studies was a trial on the nutritional prevention of cancer in the Eastern part of the US. [news-medical.net]