Calcium chondroitin sulfate 1.HPLC&CPC3:85%, 90%, 95% ... in the long-term, no obvious side effects, can significantly reduce the incidence of coronary heart disease and ... of noise-induced hearing difficulties, tinnitus effectively.4. It can aid in healing chronic nephritis, chronic hepatitis, keratitis and ... . Chondroitin sulfate is also used in eye drops. Calcium chondroitin sulfate(bovine origin)