An organic sulfur compound for health & beauty. OptiMSM is a major nutritional factor in feeling good and looking good. This patented form of methylsulfonylmethane (MSM) organic sulfur compound promotes healthy skin, hair and nails and is an essential component for all healthy tissue. This often overlooked mineral is called the beauty mineral because of its nutritional role in making hair shine and skin glow. Nutritional experts recommend about 1000mg per day of organic sulfur for promoting healthy aging.