Douglas Labs MSM + Vitamin C contain 500 mg of methylsulfonyl-methane (MSM). MSM, a derivative of DMSO, is a naturally occurring compound of biologically available sulfur. The essential trace element molybdenum is added as a cofactor for normal sulfur metabolism. Fundamental Sulfur also provides vitamin C, while Fundamental Sulfur II does not.
About the Manufacturer
At Douglas Laboratories, there is no greater mission than assuring that each and every supplement produced is of the highest quality. When you see the Douglas Laboratories Quality Emblem, be assured that only the finest raw materials are being used, and that all manufacturing is performed under the strictest of guidelines. Because these products are developed specifically for exclusive distribution by healthcare professionals, our emblem has become a recognized symbol of quality that patients around the world have come to rely upon and trust.