MSM ORGANIC SULPHUR 500mg - VEGAN PRODUCT. The strongest dose available, up to 500mg of organic sulfur. A natural, organic product. Reduces the body's inflammatory response. Improves elasticity and restores collagen production. Treats osteoarthritis and joint pain. MSM stands for methylsulfonylmethane. Methylsulfonylmethane is the oxidized form of dimethyl sulfoxide