Chondroitin sulfate 1.Source: porcine, bovine, chicken, marine 2.Content: 85%, 90%, 95% 3.Standard:USP 4.Packing:drum Chondroitin sulfate1.Series as per source ... as per your formula. OEM service is accepted.Chondroitin Sulfate is a glycosaminoglycan extracted from porcine,bovine,chicken,and shark cartilage. It is ...