Chondroitin Sulfate is a kind of acid mucopolysaccharide extracted from healthy, edible and homebred animal cartilage or shark cartilage. It’s composed of Chondroitin Sulfate A, C and other various Chondroitin Sulfate. It is widely presented in fish,mammalian and bird cartilage.Chondroitin Sulfate Sodium is the sodium salt of the sulfated linear glycosaminoglycan. Chondroitin sulfate is widely used as a material for food ingredient, cosmetics, and medicine. Recently, the use of Chondroitin sulfate for the symptomatic treatment of osteoarthritis has become very popular.