Joint Active contains Glucosamine, Chondroitin, and MSM (Methylsulfonylmethane). Glucosamine is a major constituent of cartilage. It helps to repair stressed & wornout cartilage. Chondroitin, A key component of joint fluid, has cushioning & lubricating effect. It helps in production of hyaluronic acid which is an effective antioxidant. And MSM is involved in the production of normal cartilage. Vitamin C along with other antioxidants helps to prevent damage to joint component.