OptiMSM® is the world's leading brand of methylsulfonylmethane (MSM), a highly pure source of organic sulfur that supports key structures throughout the body, including connective tissue, joints, skin, hair, and the body's natural antioxidant defenses. Clinically researched and trusted worldwide, OptiMSM® is used in formulations targeting joint support, exercise recovery, healthy aging, immunity, and beauty-from-within applications.
Manufactured in the USA using a proprietary 4-stage distillation process, OptiMSM® delivers exceptional purity, consistency, and quality. Every batch is third-party tested and produced under rigorous quality standards supported by more than 35 years of manufacturing expertise. As the only MSM with a GRAS notification acknowledged by FDA-CFSAN, OptiMSM® is also Kosher and Halal certified, Non-GMO Project Verified, gluten-free, allergen-free, vegan, and trusted by leading brands worldwide.
