Give your body the building blocks it needs for healthy joints, vibrant hair, skin, and nails with Doctor's Best MSM with OptiMSM. This dietary supplement features OptiMSM, a high-quality, clinically studied form of Methylsulfonylmethane (MSM). MSM is a natural source of sulfur, a mineral that plays a crucial role in the production of collagen, the protein that provides structure and support to your joints and connective tissues.

Doctor's Best MSM with OptiMSM goes beyond joint health. Sulfur is also a key component of keratin, the protein that makes up your hair, skin, and nails.