MSM is a bioavailable form of sulfur related to dimethylsulfoxide (DMSO). Sulfur is an element found in all living organisms and 85% of it is provided by MSM and related compounds. We include molybdenum because taking supplemental MSM may encourage urinary excretion of molybdenum.;Suggested Use: As a dietary supplement, 1 to 3 capsules one to five times daily, or as directed by a health practitioner. Other ingredients: Hydroxypropyl methylcellulose, microcrystalline cellulose, silicon dioxide, L-leucine. These nutrients are of the highest quality and purity obtainable, free of all common allergens (antigens), and do not contain preservatives, diluents, or artificial additives.