Methylsulfonylmethane (or MSM for short) is a proven bioavailable source of sulfur, important for several functions including the support of connective tissue, immunity, and metabolism. protects the body from oxidative damage by increasing the body’s natural antioxidant capacity so that it can neutralise damaging free radicals. The decrease in inflammation and oxidative stress protects joints, helps the body recover from strenuous activity, boosts immunity, and helps athletes stay mobile.