Derived from natural food source - organically grown squash. Clinically proven to reduce inflammation in a number of different therapeutic applications (including arthritis, IBS, injuries, and autoimmune disorders), methyl sulofonyl methane (MSM) is a safe and natural addition to your supplement program either used for overall health or to help treat a specific condition. The famous book, "The MSM Miracle" revealed much of the ground breaking research that has been done on this supplement. A derivative of DMSO, MSM contains organic sulfur which is needed by every cell in your body, but especially the cells that make up the tissue in our hair, skin, nails, and joints. This is why many people notice improved joint health, and not to mention softer skin & brighter hair, as well as firmer nails when they take MSM. MSM can also help improve the absorption of other supplements you take with it; it can also help to detoxify your body. Taken with vitamin C, it's effects are enhanced.