Biotin, also known as vitamin B7 or vitamin H, is a water-soluble B-vitamin that plays a crucial role in the body's metabolism. It helps convert nutrients into energy and is essential for the health of your skin, hair, eyes, liver, and nervous system. BuyersReport's experts have broken down the features, & benefits of the top-rated, most effective, biotin supplements, so you can make an informed choice – our comprehensive review can help you find the best biotin supplement for your needs.