Biotin, B7: Biotin is a coenzyme for carboxylase enzymes. Biotin is involved in the biosynthesis of fatty acids and amino acids and proteins. It is also needed to make glucose through gluconeogenesis. Biotin is known at the hair vitamin, but also is critical for many other physiological processes. One Non-GMO Biotin provides 2000 mcg (198.2 mg) per tablet. (Cellulose, Stearic Acid) 100 tablets