Methylsulfonylmethane msm is a chemical found in green plants animals and humans it can also be made in a laboratory msm became popular because of a book called the miracle of msm the. Msm book read reviews from worlds largest community for readers msm is a water soluble compound found in all living things a nutrient our bodies requ. Msm for relief of pain and inflammation approximately half of the total body sulfur is concentrated in the muscles skin and bones one of the most significant uses of msm as a supplement is its demonstrated ability to relieve pain and inflammation when rigid fibrous tissue cells swell and become inflamed pressure and pain result. Msm is widely used in the alternative medicine field and by people looking for a natural way to relieve joint pain reduce inflammation and boost immunity in addition research supports its use in