Generally moderate consumption of MSG is not harmful to the human body. MSG provides the body with certain nutrients, such as glutamic acid, but excessive consumption may be hazardous to health. MSG is a commonly used seasoning that is made from microbial fermentation of grain and can be used to enhance the taste of dishes and improve appetite. MSG is metabolized by the human body to produce glutamic acid, which is one of the amino acids that make up proteins and can provide certain nutrients for the human body. In addition, MSG contains high salt, hypertension patients if consumed too much MSG, will make the blood pressure higher, so hypertensive patients should strictly control the intake of MSG, and MSG belongs to the high purine ingredients, gout patients are not recommended to eat. Daily use of MSG as a seasoning, should pay attention to the amount, moderate consumption of human body is not harmful.