79 citations
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April 1996 in “JAMA” Taking too many selenium supplements can cause serious health problems like hair loss and fatigue.
76 citations
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April 2002 in “Urology” Selenium and vitamin E supplements have mixed effects on prostate cancer risk and may not be beneficial for everyone.
71 citations
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June 2008 in “Annals of Internal Medicine” Excessive selenium from supplements can be harmful.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
35 citations
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January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
35 citations
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April 1956 in “Journal of the American Medical Association” Selenium sulfide shampoo can cause hair loss, which stops when you stop using it.
23 citations
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October 1995 in “PubMed” Selenium exposure at work caused the worker's complete hair loss.
21 citations
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June 1991 in “Journal of Inherited Metabolic Disease” Selenium deficiency caused symptoms in a child, which improved with selenium supplements.
20 citations
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August 1960 in “PubMed” Selenium sulfide may affect hair root health.
16 citations
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December 2005 in “Journal of Animal Physiology and Animal Nutrition” Moderate selenium levels in a dog's diet are best for hair growth.
16 citations
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January 1996 Selenium levels in Enshi District need careful monitoring to prevent health issues.
15 citations
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July 1984 in “Nutrition Research” Selenium increased in hair but not in blood after taking supplements.
13 citations
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October 1960 in “Experimental Biology and Medicine” Selenium-75 stays in dog hair for up to 316 days.
12 citations
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July 1964 in “Archives of Dermatology” Selenium sulfide shampoo doesn't affect hair growth or rest phases.
11 citations
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January 1993 in “Journal of Veterinary Diagnostic Investigation” Horses in western Iowa got sick from high selenium in local alfalfa hay.
9 citations
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September 1989 in “PubMed” Sudanese children with severe malnutrition have low selenium levels, which may affect their recovery.
7 citations
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March 2023 in “European Journal of Dermatology” Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.
5 citations
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July 2019 in “Nutrients” Low selenium intake may delay puberty in boys but not in girls.
4 citations
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January 1989 Hair and nails can indicate selenium levels in the body.
2 citations
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February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
1 citations
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August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
1 citations
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March 2020 in “̒Ulūm-i dārūyī” Selenium supplements improved liver and kidney function and reduced hair loss in beta-thalassemia major patients.
1 citations
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December 2019 Selenium is essential for health, but too much or too little can cause problems; blood selenium levels are a good measure of intake.
1 citations
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September 2019 in “Journal of cosmetic dermatology” Lead and selenium levels don't cause premature graying.
1 citations
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January 2018 in “Molecular and integrative toxicology” Getting the right amount of selenium is important for health; too little can cause disease, and too much can lead to toxicity.
1 citations
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June 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” The Enterobacter isolate AMS1-S8 is effective for removing selenium from wastewater.
1 citations
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June 2009 in “Integrated Environmental Assessment and Management” Selenium is essential in small amounts but toxic in excess, requiring careful management.
February 2026 in “Pakistan Veterinary Journal” Selenium and Vitamin E supplements improved antioxidant levels and cashmere production in goats.
December 2025 in “SHILAP Revista de lepidopterología” Correcting selenium and zinc levels may help manage hair loss in autoimmune thyroiditis.
September 2025 in “Clinical Toxicology” Contaminated wheat caused hair loss and other symptoms due to high selenium, but washing it with alkaline water helped.