... animal polysaccharide, refined by animal laryngeal bones, cartilage, tracheal or bone sinew and ligament with CHS in ... cartilage tissue.,consisting of D-Glucuronic acid and N ... keratitis and corneal ulcer,etc.5. Chondroitin in shark cartilage can cure anti-tumor. In addition, chondroitin sulfate is ... used in eye drops. Chondrotin Sulphate (Bovine,Shark,Porcine)USP