MSM (Methylsulfonylmethane) primary use is as an aid to pain relief both in joints and lean tissue. This is because it improves the flexibility of cell walls and it also helps to detoxify the body. Athletes can also take MSM to overcome lactic acid build-up in muscle. Many users also report a positive effect on energy levels, making MSM a safe & natural fatigue fighter. MSM is the fourth most abundant mineral in the body, MSM (a form of sulphur) is an odourless powder that produces all the benefits associated with other forms of sulphur, including ensuring the overall health of cells, without the unpleasant side-effects, such as unpleasant body odour or flatulence. MSM plays an important role in repairing and maintaining epithelial tissue that is found in lungs, nasal passages, skin and the lining of the digestive tract.