Deva® Vegan Glucosamine MSM-CMO-Turmeric is a unique combination for joint support. As a key ingredient in cartilage, glucosamine plays an important role in joint health. MSM is a natural and efficient source of organic sulfur, which is necessary for the formation of collagen and is required by many of the body's structural molecules. CMO helps maintain proper joint function by lubricating the joints. Turmeric is an Ayurvedic favorite for antioxidant support.