what is a msm
MSM is an abbreviation of methylsulfonylmethane, an organic form of sulfur. The chemical formula of MSM is CH3SO2CH3. It is the form in which sulfur appears in nature in all living organisms, and in which it is biologically active. MSM is an odorless, white, crystalline powder that is highly soluble in hot water and in a wide range of organic solvents (1).