


Product Description
OptiMSM® has been manufactured exclusively in the United States for more than 25 years and it is clinically backed by published US Researchers. OptiMSM® has been manufactured exclusively in the United States for more than 25 years and it is clinically backed by published US Researchers.Feature
Made with OptiMSM brand MSM that is produced using an exclusive four-stage distillation process for optimal purity.