Methylsulfonylmethane (MSM) is a natural sulfur compound critical to the formation of healthy connective tissue and proper joint function.* OptiMSM® is the pure and patented form of MSM. Excipient Free.
Does Not Contain: Artificial ingredients, preservatives, yeast, milk, lactose, wheat, sugar or corn. Precautions If taking blood thinning medication, consult with your physician or health care practitioner prior to taking MSM.