Glucosamine & Chondroitin Support with Vitamin-C - 1000 mg. Glucosamine Sulfate, 800 mg. Chondroitin Sulfate, 60 mg. Vitamin C. Glucosamine Sulfate/Chondroitin Sulfate provides the body with the building blocks for healthy joints and arteries. Glucosamine aids in the body's ability to incorporate both sulfur and chondroitin, major components of cartilage, tendons, and bones.