December 12, 2008 9:06 am MMM…MSG: How Much is in Your Food? Flavor enhancer monosodium glutamate – commonly known as MSG – is most of the time a silent ingredient. The problem, say critics, is that it’s not clear what’s a reasonable amount. US & World Videos 2:08 Travis Kelce calls Taylor Swift his ‘significant other' as they attend Charity Gala Date Night 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie