From the Manufacturer: Youtheory® Collagen Powder is designed to help counteract age-related collagen loss.* Supplying 6,000 mg of hydrolyzed collagen per serving, this convenient and easy-to-use product helps replenish essential beauty proteins, while delivering powerful health benefits.* This formula is enhanced with Vitamin C to aid internal collagen production and Biotin to support health and beauty factors. 18 amino acids Replenishes collagen* Fights the effects of aging* Revitalizes skin, hair & nails* Supports tendons & ligaments* Dairy-free Soy-free No gluten ingredients 2.5mg of biotin per serving