December 12, 2008 6:06 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 1:20 Gigi Hadid wows in sweeping Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 1:12 Ariana Grande channels Glinda at 2024 Met Gala 3:45 Gabrielle Union and Dwyane Wade's daughter had cutest reaction to mom's Met Gala dress 1:35 Rita Ora reveals Taika Waititi's last-minute change to her Met Gala dress: ‘Thank God'