Active Ingredients: Collagen (from fish), Hyaluronic Acid, Iodine, Zinc, Copper, Biotin, Vitamins B2, C, E. 2331 mg Marine Collagen + 60 mg Hyaluronic Acid per serving. Radiant Skin, Hair & Nails – Vitamin C contributes to normal collagen formation for the normal function of skin - collagen supports the substructure to keep skin smooth.