Chondroitin sulfate 1.Source: porcine, bovine, chicken, marine 2.Content: 85%, 90%, 95% 3.Standard: ... .Series as per source:a. Chondroitin sulfate porcineb. Chondroitin sulfate bovine c. Chondroitin sulfate chickend. Chondroitin sulfate marine2.Content: 90%, ... is accepted.Chondroitin Sulfate is a glycosaminoglycan extracted from porcine,bovine,chicken,and shark cartilage. It is used for the auxiliary ...