Generally moderate consumption of MSG is not harmful to the human body. The main component of MSG is monosodium glutamate, which is made from grain through microbial fermentation. In a long period of high temperature MSG will undergo a chemical change, affecting the taste and at the same time there is a slight toxicity, but the impact on the human body is very small, just need to pay attention to the reasonable storage can be.

Moderate consumption of MSG has certain benefits for the human body, MSG into the human body to generate glutamic acid, can promote protein production, can play a role in protecting the liver and brain function, but also can enhance the taste of dishes to enhance the appetite and so on. In the daily production of dishes, the most suitable time to add monosodium glutamate is when the dish is about to be cooked, adding monosodium glutamate during this time can make the monosodium glutamate dissolve quickly, but also can enhance the taste of the dish. Cold dishes can be mixed with MSG dissolved in hot water. MSG in the protein decomposition of amino acids in the human body can be directly absorbed to supplement, but the daily consumption should not exceed 6g to avoid discomfort.

Overconsumption also has certain hazards, for example, excessive intake will lead to a reduction in the absorption of calcium and magnesium, but also produce palpitations, dizziness and other symptoms. The elderly, children and growing teenagers excessive consumption of MSG may be unfavorable to the bones, so that they are affected. Long-term consumption of large quantities will also reduce the body's immunity, vitamin absorption is reduced, so MSG needs to be consumed in moderation.