Dietary Supplement There s Nothing Better than this Natural & Highly Effective Supplement for Maintaining & Supporting Healthy Joints. Features: Glucosamine: helps prevent cartilage deterioration. Chondroitin: used to treat osteoarthritis. Studies show Glucosamine without Chondroitin has defreased efficacy. Methylsulfonylmethane : building block for joints and cartilage. Shown in studies to be effective in treating joint pain. Hyaluronic Acid: acts as a joint lubricant and cushion. Vitamin C: for absorption. Joint Complete.