MSM is an abbreviation for methylsulfonylmethane, a chemical found naturally in plants and animals. This organic compound is made synthetically and often combined with glucosamine hydrochloride and ...
Dear Doctor: A friend suggested I try MSM crystals for arthritis. What are they, and do they work? If they do, where can I find them? Dear Reader: Methylsulfonylmethane (MSM) is an organic ...
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