What do you think about MSG? What do you think about MSG? Some people in our country think that MSG is bad for their health. In my opinion, it is not true. Most living being on earth have glutamate in , We eat MSG every day and it’s also in a lot of food contein MSG, it is including fish, shellfish, meat, mushrooms and vegetables. Monosodium glutamate was discovered more than 100 years ago. It is very popular in Asia. Two days ago I read an article on FaceBook about MSG. The author says that scientists have discovered fifth type of receptors in the mouth. We taste 5 tastes: sweet, sour, bitter, salty and fifth «umami». People taste umami with there receptors for glutamate.