Webber Naturals Biotin is a high-potency supplement containing 10,000 mcg of biotin per vegetarian capsule. This extra strength formula is specifically designed to support healthy hair, skin, and nails through essential vitamin B7 supplementation. The product comes in a bottle containing 45 vegetarian capsules. Biotin, also known as vitamin B7, is a water-soluble vitamin that plays a key role in the metabolism of proteins and the production of keratin, an essential protein for maintaining healthy hair, skin and nails. As a dietary supplement, it helps support beauty from within through proper nutrient supplementation.