MSM 1000mg Lignisul by Natural Factors 180 Tablet MSM (Methyl-Sulfonyl-Methane) This recently discovered nutritient supports healthy joints and muscles as well as relieving pain resulting from many conditions. Methyl-sulfonyl-methane (MSM) has diverse health benefits. MSM provides the body with a bio-available form of organic sulfur to form connective tissue for healthy joints and muscles. It is necessary for collagen synthesis for healthy skin hair and nails. MSM is an antioxidant and also cleanses the body of pathogens benefiting those who need seasonal respiratory support. This nutrient improves digestion and metabolism increases blood circulation and enhances memory and concentration. MSM found in natural foods is easily lost during food processing making Natural Factors MSM a safe and natural way to optimize your health.