Arthro-Aid ® Capsules contain glucosamine hydrochloride for the relief of pain associated with osteoarthritis. Glucosamine is a natural (body) building block which has been scientifically proven to regenerate cartilage, the body's natural joint cushion. Several clinical studies have been completed involving more than 1,500 patients suffering from osteoarthritis. These studies have confirmed that after ingesting 1500mg of glucosamine daily, patients reported consistently positive results related to improved flexibility, alleviation of symptoms and pain relief. Arthro-Aids active component glucosamine consistently shows to: Alleviate Increase joint flexibility Manage osteoarthritis and provide relief of its associated pain. Take 1 capsule twice per day or, in severe cases, take 1 capsule 3 times per day or as directed by your healthcare provider.