Biotin, also known as Vitamin B7, is a water-soluble B-complex vitamin that plays a key role in converting food into energy and supporting keratin production. Since keratin is a fundamental protein in hair, skin, and nails, biotin is often marketed as a go-to supplement for hair growth. But does it https://directory-boom.com/listings13197481/biotin-supplements-for-hair-growth-benefits-effectiveness-and-alternatives