Doctor's Best MSM with OptiMSM, Non-GMO, Gluten Free, Joint Support, 1000 mg, 180 Caps Size:180C Best MSM supplies highly purified MSM (methylsulfonylmethane), a compound notable for its methyl groups (required for numerous metabolic functions) and the conditionally essential mineral sulfur, which is a crucial component of powerful antioxidants such as N-acetylcysteine and glutathione. Although MSM occurs naturally in some foods and in the human body at low concentrations, a significant amount of MSM is lost during the heating and processing of foods. Features: Doctor's Best MSM promotes joint comfort and mobility by helping maintenance of healthy connective tissue OptiMSM, the source of MSM used in Doctor's Best, is a patented, highly purified form of MSM MSM helps keep skin, hair and nails healthy by promoting the production of keratin Doctor's Best MSM is available in tablet, powder, capsule and veggie cap forms supplying 250g to 1500mg MSM per serving Non-GMO and Gluten Free Product Details: Product Dimensions: 3.1 x 3.1 x 5.2 inches ; 8.8 ounces Shipping Weight: 8.8 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 764442673313 753950000643 Item model number: DRB-00064