100% Complete, Nourishing Food for Adult Dogs. Salmon Oil contains omega 3 to help support joints, skin, and coat. Green lipped mussel a natural source of glucosamine, chondroitin, and omega 3 to support joint health. Glucosamine & chondroitin to support healthy joint structure and assist in the formation & repair of cartilage. Zinc & biotin essential vitamins & minerals to help maintain a healthy skin & coat