NOW&ampreg; Glucosamine, Chondroitin &ampamp; MSM combines three of the most popular and effective nutrients for supporting joint health in one dietary supplement.&ampnbsp; Our Glucosamine and Chondroitin are both 100% sulfate, the most studied form of these nutrients.&ampnbsp; In addition, we also include MSM (Methylsulphonylmethane), an organic form of sulfur found in all living organisms.&ampnbsp; Studies have shown that these nutrients provide dietary components&ampnbsp;that support healthy joint structure and function.*