2000 mg of Glucosamine: A natural component of healthy joints. 1200 mg of Chondroitin: Clinical studies show that chondroitin and glucosamine in combination are beneficial in maintaining healthy joint function, cartilage and flexibility. 500 mg of MSM (methylsulfonylmethane): A source of sulfur, an essential part of healthy cartilage. Glucosamine and Chondroitin are clinically shown to work together to maintain optimal joint health and flexibility. Great tasting natural berry flavor. Research ahs shown that nutrients from liquid sources can be more easily absorbed than from solids.