MSG - monosodium Glutatmate is a flavor enhancer. The problem is, it is one of the few chemicals that can cross the blood brain barrier. You can be eating a piece of cardboard but with MSG sprinkled on it your brain registers delicious! Because food manufacturers know consumers avoid MSG due to health issues, it often gets listed under buzz words. Can anyone list some of these buzz words for MSG? What are some of the health concerns with using MSG? are these health concerns legitimate?