December 2014 in “Sociedad (University of Buenos Aires)” A hair loss supplement with green tea caused liver damage in three people.
22 citations
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September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
6 citations
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December 2014 in “PubMed” A supplement for hair loss with green tea in it may cause liver problems.
December 2025 in “Journal of the American Academy of Dermatology” 1 citations
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October 2024 in “The American Journal of Gastroenterology” Nutrafol may cause liver damage.