Joint Mobility and Comfort* 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.* Natural color variation may occur in product.