NOW's Extra Strength Biotin Supplement, with 10 mg/10,000 mcg, in Vegetarian/Vegan Capsules Supports Healthy Hair, Skin, and Nails* FOR ENERGY PRODUCTION:* Supports amino acid metabolism and promotes normal immune function.* Bioton also plays a critical role in skin health for hair, skin, and nails.* Non-GMO, Vegan/Vegetarian, Kosher, Halal, Soy Free, Egg Free, Dairy Free, Nut Free, Soy Free, Made Without Gluten