A nutritional supplement to support joint metabolism, health and repair in dogs. Joint Function is a powdered supplement formulated to supply nutrients to support joint metabolism, health and repair. Chondroitin and Glucosamine: Precursors for cartilage synthesis to facilitate normal joint physiology. Manganese: A component of manganese superoxide dismutase, manganese is a mitochondrial enzyme involved in de-activation of reactive oxygen species generated by joint disease. Ascorbic Acid (Vitamin C): An antioxidant and co-factor in joint collagen synthesis. New Zealand Greenshell Mussel Powder: Contains chondroitin sulphate, glycosaminoglycans and essential fatty acids involved in inflammatory mediator metabolism. Glycosaminoglycans can facilitate joint fluid characteristics suitable for limited cartilage damage. MSM (Methylsulfonylmethane): Is a bio-available source of organic sulphur. Sulphur is an essential element for bonding connective tissue proteins contributing to integrity of joints.