Source Naturals, Chondroitin Sulfate, 400 mg, 60 Tablets

Dietary Supplement Support for Joint Tissue Chondroitin Sulfate (CSA) is a mucopolysaccharide found in cartilage, tendons and ligaments, where it is bound to proteins such as collagen and elastin. In our joints, it contributes to strength, flexibility and shock absorption. Current research indicates that supplemental CSA may help maintain proper joint function.