Msm methylsulphonylmethane is a flexible bond between proteins found in hair skin joints tendons and cartilagea naturally occurring source of sulphur 34 by weight it is one of the major building blocks of glycosaminoglycans cags which are key structural components in cartilage reflex msm is ideal for daily use especially in highly active individuals nutrition container size 250g serving size 1 scoop 5g servings per container 50 amount per serving ingredients 100 methylsul