... Series as per source:a. Chondroitin sulfate porcineb. Chondroitin sulfate bovine c. Chondroitin sulfate chickend. Chondroitin sulfate marine2.Content: 90%, 95%3. ... as per your formula. OEM service is accepted.Chondroitin Sulfate is a glycosaminoglycan extracted from porcine,bovine,chicken,and ... to finished raw material.We could provide different Chondroitin Sulfate at the assay of 85%,90% and 95%. ...