One of the first signs of osteoarthritis of the knees is often pain when walking up a flight of stairs. (cathe.com)
His vertebrae show signs of osteoarthritis from years of pounding in the saddle. (discovermagazine.com)
In addition, natural glucosamine sulfate and chondroitin sulfate from shrimp shells and chicken cartilage, respectively are included for nutrition and protection of joint cartilage and provision of relief of clinical signs of osteoarthritis. (ka-hi.com)