OptiMSM ® is a major nutritional factor in feeling good and looking good. Prairie Naturals chooses this patented form of methylsulfonylmethane (MSM) organic sulfur compound . OptiMSM ® 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. Contains NO soy, dairy, eggs, gluten, flavours, colours, preservatives, sweeteners, GMO ingredients. Recent research has also confirmed OptiMSM improves significantly in the condition and appearance of hair, skin and nail health