The role and price of chondroitin sulfate include the following aspects: 1, chondroitin sulfate is a component of cartilage, the role can play to promote the growth of cartilage, repair cartilage. But for particularly serious cartilage defects or some degenerative arthritis, this time the role is not very useful. 2, another role of chondroitin sulfate is the role of pain relief, because it can repair cartilage, improve the nutritional conditions of cartilage, which can inhibit inflammatory factors and relieve pain. The price of chondroitin sulfate, each variety is different, as well as domestic or imported are not the same. Isoja is usually 24 capsules per box, and the price is between$50-60. If it is imported from abroad there are generally 200 capsules in a bottle, each bottle is$200-300.