Malic acid can be directly involved in the metabolism of human body, directly absorbed by human body, achieve within a short period of time the body to provide energy, eliminate fatigue, have the effect of anti-fatigue, recover quickly, malic acid can promote the metabolism of ammonia at the same time, reduce the blood ammonia concentration, on the liver protective, malic acid and keep the myocardial energy metabolism, protect ischemic myocardium of myocardial infarction