NOW Foods, Biotin, 5,000 mcg, 120 Veg CapsulesEnergy Production Supports Amino Acid Metabolism Promotes Normal Immune Function Non GMO A Dietary Supplement Vegetarian Vegan Kosher Vitamins Family Owned Since 1968 GMP Quality Assured Biotin is a water soluble vitamin necessary for normal growth and body function. Biotin functions as a key regulatory element in gluconeogenesis, fatty acid synthesis, and in the metabolism of some amino acids. Alongside its role in energy production, biotin enhances