Doctor’s Best Glucosamine & MSM Supplement supplies glucosamine Sulfate, MSM (Methylsulfonylmethane) & Vitamin C.
MSM and glucosamine sulfate supply bioavailable sulfur needed for joints. Vitamin C is essential for the production of collagen, a structural protein.
This formula also features OptiMSM – MSM that is distilled to 99.9% purity.
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