* Dietary Supplement * With Glucosamine & Chondroitin Sulfates * Nutritional Support for Healthy Joints * OptiMSM * Purity & Potency Guaranteed MSM Joint Formula is a synergistic blend of naturally derived compounds; MSM, Glucosamine and Chondroitin Sulfates which support healthy joint function. Glucosamine and Chondroitin provide support for the cartilage while MSM nourishes the joints and muscles. Taken together, these three nutrients provide triple joint support for healthy mobility. All Natural Factors products are manufactured in accordance with the Government of Canada"s Good Manufacturing Practices (GMP), among the highest standards in the world.