Monosodium glutamate is sodium glutamate. You can't eat it after it's expired. If you eat it, it's harmful to your health and easy to cause cancer. Monosodium glutamate is a condiment, and eating it is not good for your health. This is still out of date, so it is recommended not to use it to avoid serious consequences.

The role of monosodium glutamate, monosodium glutamate has no direct nutritional value to the human body, but it can increase the umami taste of food, arouse people's appetite, and help improve the digestibility of food.

In addition, sodium glutamate, the main component of monosodium glutamate, also has the function of treating chronic hepatitis, hepatic coma, neurasthenia, epilepsy, gastric acid deficiency and other diseases.