1 citations
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August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
The supplement improved hair growth and reduced hair loss in women.
September 2023 in “Food and chemical toxicology” High doses of some selenium supplements caused liver and reproductive harm in rats.
February 2024 in “Exposure and Health” Selenium supplements may reduce mercury levels in the hair of city dwellers in China.
71 citations
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June 2008 in “Annals of Internal Medicine” Excessive selenium from supplements can be harmful.