No. Product Name Ingredient Specification 03 Chondroitin Sulfate Chondroitin Sulfate Na(Dried Basis)　 ≥90% Function Description It has been used in Europe for over a decade in the treatment of osteoarthritis. Besides it is adaptable to the treatment of nervous headache, neuralgia, arthralgia, migraine, arteriosclerosis as well as dysacusia caused by streptomycin and hepatitis etc, without any side effect. So it can be used as material of health-care medicine and cosmetic products.