在研究了130个声称msg敏感的人中，许多人在味精并不存在时仍抱怨有症状； 而另外一些报道说，有些人不知情地吃了大量msg，却并未出现任何症状。

• In a study of 130 people claiming MSG sensitivity, many complained of symptoms when the flavor enhancer was not present, while others reported no symptoms even though they unknowingly consumed large quantities of MSG.