Pure Encapsulations MSM contains 99.7% pure, patented MSM (methylsulfonylmethane or dimethylsulfone), a naturally occurring, sulfur-containing organic compound. MSM is the major metabolite of DMSO (dimethyl sulfoxide) and provides 34% elemental sulfur, a compound that is crucial in maintaining healthy tissues.

• Supplement Facts
  
  Suggested use: As a dietary supplement, take 2-8 capsules daily, in divided doses, with meals.
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• 1 capsule contains
  
• methylsulfonylmethane ................................................................ 850 mg.
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• Other ingredients: vegetarian capsule (cellulose, water)

Promotes Healthy Joints: Sulfur is a key nutrient needed to maintain connective tissue health, particularly those containing significant amounts of collagen and keratin, such as hair, skin, and nails. Furthermore, sulfur is essential in methionine, cysteine, and serum protein metabolism.
Immune Function: Some studies suggest that MSM provides support for healthy immune and respiratory function. A recent multi-center, clinical trial indicated that MSM helped promote respiratory comfort and energy levels in subjects.