Methylsulfonylmethane (MSM) is a naturally occurring organic sulfur compound that is considered by many to be one of the most effective supplements for maintaining good health as you age. MSM supplies your body with biologically active sulfur, which is crucial for your body's natural collagen synthesis. MSM only occurs in a few parts per million in nature, which can make it very hard to get the amount you need for your body to function optimally. A more efficient way to get sufficient amounts of MSM is to take lab-verified MSM supplements such as Groovy Bee® OptiMSM Mobility Capsules.