Biotin, or vitamin B7, is a water-soluble nutrient essential for converting food into energy and supporting cellular communication. While widely marketed for hair, skin, and nail health, biotin deficiency is rare in healthy individuals who eat a balanced diet. Choosing a Biotin Supplement
If you decide to supplement, look for products that prioritize transparency and quality over "mega-doses."
: Many supplements contain 5,000 to 10,000 mcg, which is significantly higher than the recommended adequate intake (AI) of 30 mcg for most adults.
: Established brands like Nature's Bounty and Solgar are widely available.
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