Any supplement that contains glucosamine and chondroitin will benefit joints, according to WebMD. Glucosamine and chondroitin occur naturally in joint cartilage and both are believed to slow natural deterioration and decrease inflammation.
According to WebMD, glucosamine and chondroitin are naturally found in joint cartilage and benefit joints over time by slowing deterioration and improving joint function. The two also work together to reduce inflammation and relieve joint pain. However, according to Consumer Reports, not all supplements contain the ingredients they claim to. Supplement brands such as Kirkland, CNC, Now, The Vitamin Shoppe, Schiff, Nature;s Bounty, Nutramax, Joint Juice, and Elations contain the appropriate amounts of glucosamine and chondroitin, according to Consumer Reports.