it is used as a flavour enhancer by the food industry, but claims about MSG's negative health effects have been around for a while, with supposed ill effects ranging from headaches to cancer. As a result, MSG hs been studied extensively, and in 2007, a team at the university of Hohenheim examined all the research on MSG and concluded that even unusually high doses are not harmful. it has also been conclusively established that MSG makes things taste even more delicious.