“MSG is bad for you and causes 'Chinese restaurant syndrome.'”

The misconception surrounding monosodium glutamate, or MSG, largely stems from a letter published in the New England Journal of Medicine in 1968. A physician described symptoms like numbness, weakness, and heart palpitations he reportedly experienced after eating at Chinese restaurants, coining the term "Chinese Restaurant Syndrome." This anecdotal account, combined with pre-existing xenophobia and negative stereotypes about Chinese cuisine, quickly propelled the idea into popular culture, despite a lack of scientific basis.

However, decades of rigorous scientific research have consistently debunked these initial claims. Regulatory bodies worldwide, including the U.S. Food and Drug Administration (FDA) and the World Health Organization (WHO), have thoroughly evaluated MSG and concluded it is safe for consumption at typical dietary levels. Controlled, double-blind studies have failed to find a consistent link between MSG and the reported symptoms, even in individuals who claim sensitivity. It's important to note that glutamate, the main component of MSG, is an amino acid found naturally in many foods like tomatoes, cheese, and mushrooms, and our bodies produce it too.

The enduring belief in the MSG myth can be attributed to several factors. The sensationalized media coverage following the initial 1968 letter, coupled with the "chemical-sounding" name, fostered public distrust. Furthermore, the association with "Chinese Restaurant Syndrome" unfairly stigmatized an entire cuisine, perpetuating anti-Asian bias. This combination of anecdotal evidence, cultural prejudice, and a lack of understanding about the ingredient's natural origins allowed the myth to persist for generations, leading many restaurants to proudly advertise "No MSG" to reassure concerned diners.