Is it okay to take 10,000 mcg of biotin daily? What the Science Says
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4 min read
While the adequate intake for biotin is just 30 micrograms for adults, many supplements sold for hair and nail health contain mega-doses, often reaching 10,000 mcg or more. This dramatic difference raises a critical question for many consumers: Is it okay to take 10,000 mcg of biotin daily, and what are the true implications of such a high intake?