Save On Natrol 1X 90 Tab Msm With Glucosamine Double StNatrol Msm & Glucosamine Provides The Combination Of Nutrients You Need For Healthy Joints And Cartilage. Msm (Methylsulfonylmethane) And Glucosamine Sulfate Are The Subject Of Research On Connective Tissue And Joint Health. : (Note: This Product Description Is Informational Only. Always Check The Actual Product Label In Your Possession For The Most Accurate Ingredient Information Before Use. For Any Health Or Dietary Related Matter Always Consult Your Doctor Before Use.)