Glucosamine, Chondroitin, MSM + Vitamin C. Our superior Chondroitin formula is a very high nutrient from pure marine sources and is 90% concentrated. Each Tablet will provide: Glucosamine Sulphate 2KCl - 400mg, Chondroitin Sulphate - 100mg, MSM - 50mg, Vitamin C - 60mg.