What is Vitacost MSM?Methylsulfonylmethane, or MSM, is an organic source of sulfur (an abundant mineral in the human body) that helps maintain normal connective tissues.* Included in this formula are 1,000 mg of OptiMSM, a patented, pure, distilled form of MSM. How does MSM support health?Supports joint health.*Sulfur contributes to the formation of connective tissue.*Why choose Vitacost MSM?Features OptiMSM, a high-quality, non-allergenic, non-toxic form of MSM.Each 1-capsule serving provides 1,000 mg of MSM.Contains 240 servings per bottle. Exceptional quality at an extraordinary value.About VitacostAll Vitacost products are laboratory tested to meet FDA standards for identity, purity and composition. All products are tested for heavy metals, microbiology and contaminants. Vitacost products are produced in a NSF Certified facility. Freshness is guaranteed. *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.