Chia de Gracia MSM PowderMSM is an organic sulfur compound which can be used in combination with other herbal products, to strengthen the absorption and effectiveness of nutrients. MSM is a good aid in joint and muscle injuries and muscular stiffness. MSM helps in maintaining normal operation of joints and tendons, the sulfur acts as a building material in the body, including the articular surfaces, cartilage, skin and connective tissues.