Glucosamine in Osteoarthritis and other Food Supplements Introduction Osteoarthritis (OA) is the commonest form of arthritis found worldwide that can affect the hands, hips, shoulders and knees. It is responsible for the largest burden of joint pain and is the single most important rheumatological cause of disability and handicap.1,2 In Osteoarthritis, the cartilage that protects the ends of the bones breaks down and causes pain and swelling. Drug and non-drug treatments are used to relieve pain and/or swelling. Osteoarthritis commonly affects the hands, feet, spine and large weight-bearing joints, such as the hips and knees.

Most cases of osteoarthritis have no known cause and are referred to as primary osteoarthritis. When the cause of the osteoarthritis is known, the condition is referred to as secondary osteoarthritis. These are food supplements show promise for helping people with…