Glucosamine Chondroitin Complex, 500/400 mg from Webber Naturals® may stop cartilage deterioration, reduce or eliminate joint pain and improve joint function. Glucosamine and chondroitin combination is used for osteoarthritis, particularly osteoarthritis of the knee. This 500/400 mg combo is the ideal ratio of glucosamine to chondroitin. Value priced caplets.