Joint Health Joint Mobility and Comfort Non-GMO A Dietary Supplement General Health Family Owned Since 1968 GMP Quality Assured NOW? Glucosamine & Chondroitin with MSM combines three of the best known nutrients available for the support of healthy joints in one dietary supplement. Scientific studies have demonstrated that glucosamine and chondroitin can promote normal joint mobility and comfort. MSM is present as a naturally occurring sulfur compound for optimal nutritional support for the production of healthy joint structures.