Bovine or porcine and poultry. Powder form. Chondroitin sulfate is proved to be effective for arthritis and cardiovascular diseases. Sodium chondroitin sulfate is a derivative of a natural mucopolysaccharide, found in connective tissue, skin, bone and cartilage, together with proteins from the intercellular cells where collagen and elastin are embedded, It is commonly used as food additives and dietary supplements in food, beverage, pharmaceutical, nutraceutical and cosmetics industries. MeitekCHondroPure^TMChondroitin sulfate protects existing cartilage and serves as a building block for healthy new cartilage.