Jarrow Formulas MSM Sulfur is an organic source of bioavailable sulfur, an antioxidant mineral, found in major structural molecules of the body such as cartialage. The sulfur from MSM is used to produce glycosaminoglycans (or mucopolysaccharides) such as chondroitin sulfate, dermatan sulfate and hyalaluronic acid. These sulfur containing glycosaminoglycans are found in high concentrations in connective tissues, including joint cartilage, skin and collagen.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.