This product contains MSM (Methylsulfonylmethane)(Organic Sulfur). MSM is an organic source of sulfur, one of the major building blocks of glycosaminoglycans. Glycosaminoglycans play an important role in the maintenance of joint cartilage.* For adults, take one (1) tablet twice daily.*  Note: Unless otherwise noted, this product has not been evaluated by the Food and Drug Administration. Our natural products are not intended to diagnose, treat, cure, or prevent any disease.