MSM (Methyl Sulfonyl Methane) is a naturally-occurring sulfur compound found in our bodies as well as in many common beverages and foods, including milk, coffee, tea, and green vegetables. In it’s purified form it is an odorless, white water soluble crystalline solid. It is one of the least toxic substances in biology, similar in
MSM is also related to DMSO (dimethyl sulfoxide), an alternative treatment for arththritis. MSM may be safer than DMSO, and it does not have the unpleasant side effects of bad breath and body odor.