Organic sulfur MSM is a nutrient produced naturally in the human body, mainly composed of sulfides, oxides and other chemicals. MSM also appears in many foods and drinks, such as fruits, vegetables, cereals, wine, coffee, tea, and milk. MSM is widely known for its ability to easily penetrate tissues and cells in the body, allowing them to function properly. For this reason, MSM has many other health benefits, such as relieving joint pain, bone and joint pain, and muscle soreness. MSM is often taken as a dietary supplement to help people improve their health. This article briefly introduces how to use MSM and how MSM works.