MSM (Methylsulphonylmethane) 1500mg Vegetarian 200 Tabs, NOW FoodsMSM (Methylsulphonylmethane) is a biologically active form of organic sulfur found in all living organisms. It is naturally found in varying amounts in raw unprocessed milk, meat, fish, fruits and vegetables. MSM is a multi use supplement that has been used by fitness enthusiasts. What is Lignisul MSM? Methyl sulfonyl methane (MSM) is a naturally occurring sulfur compound found in our bodies as well as in many common beverages and foods, including