... 4-sulphate (also referred to as CSA). Certificate of Analysis of Chondroitin Sulfate bovine 90% CPC USP29 ItemsSpecsTest Results ... UsageChondroitin sulfate is an important structural component of cartilage and provides much of its resistance to compression. Along with glucosamine ... the Goods4. Payment: T/T, L/C, Paypal5. Shipping method: by EMS, DHL, UPS, FedEX, TNT, by sea ...