We use superior science to make smarter formulas like Jarrow Formulas® Biotin 5000 mcg. It supports energy production and beauty through skin and hair growth. Biotin is a water-soluble B vitamin typically found in liver, egg yolk, cereals, legumes, and nuts. It is essential for normal skin and hair growth, lipid metabolism, and energy production (ATP).* Our formula contains no wheat, gluten, soybeans, dairy, egg, fish/shellfish, or peanuts/tree nuts, and is suitable for vegetarians and vegans. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.