NatiCol® Collagen from the skin of marine fish, inulin, L-ascorbic acid (vitamin C), grape seed extract (Vitis vinifera) DER 15:1 standardized to 95% proanthocyanidins (OPC), hyaluronic acid, L-leucine, DL-alpha tocopheryl acetate (vitamin E), zinc gluconate (zinc), sodium selenate (IV) (selenium), D-biotin (biotin).