MSG (or Mono Sodium Glutamate) is a flavor enhancer that has been around since 1909. Since then it has been touted as a flavor enhancer or horrible sodium laden chemical that can cause tingling and numbess, headaches, chest pain, nausea and many other symptoms. MSG is not only in chinese food. It is also in hot dogs, doritos, fritos, canned soup, KFC chicken and many other processed foods. This article discusses how safe MSG is and what it exactly does to your body.