... glycosaminoglycan extracted from porcine,bovine,chicken,and shark cartilage. It is used for the auxiliary treatment of neural-headache, neuralgia, arthritis, ... the blood lipid. The Chondroitin Sulfate can also be used as additive in the foodstuff and the healthy products.We ... and more than 200t/year. Quality is guaranteed.Our Price is very competitive ,our quality is good ,and we can keep steady ...