when consuming high levels of the ingredient — 3 grams or more without food. Most people would never eat that much. (A typical serving of added MSG in foods is less than 0.5 grams.) While ...

FDA reports indicate that consuming MSG on an empty stomach in large amountsâ 3 grams or moreâ can lead to headaches and nausea. However, most prepared foods and dishes usually contain ...

“However, these studies had significant methodological flaws, including the absence of a control group, the use of excessively high MSG doses—3 grams or more—and the administration of MSG ...