Is MSG Bad for You?

On February 16, 2025 By newsroom Topic: Food Guide

Monosodium glutamate (MSG) has long been controversial, but here’s what science says about its safety and effects:


What is MSG?

Composition: MSG combines sodium and glutamate, an amino acid naturally found in foods like tomatoes, mushrooms, and cheese.

Function: Enhances umami flavor (the "fifth taste") and amplifies saltiness.

Sources: Found in canned soups, instant noodles, soy sauce, and even chips.


Why Does MSG Have a Bad Reputation?

  • Origins: Concerns began with a 1968 anecdotal report linking MSG to symptoms like headaches and nausea, coining the term “Chinese Restaurant Syndrome.”
  • Cultural Impact: For years, MSG was unfairly targeted, especially in Chinese cuisine.
  • Debunking Myths: In 2020, Merriam-Webster updated the term to reflect that research has not proven MSG causes these symptoms.

Is MSG Safe?

Scientific Consensus: Studies by the FDA and other organizations consistently show MSG is safe for most people.

Sensitivity: A small number of people may experience symptoms (e.g., headache or nausea) when consuming 3,000 mg or more of MSG in one sitting without food. However, typical servings have much lower amounts.

Sodium Content: MSG contains less sodium than table salt (480 mg per teaspoon vs. 2,300 mg daily limit). Still, high MSG consumption could add to overall sodium intake.


Bottom Line: MSG and Health

  • MSG is not harmful for most people when consumed in normal amounts.
  • To reduce MSG intake:
  • Check food labels for “monosodium glutamate” or naturally occurring glutamate sources like hydrolyzed protein or yeast extract.
  • Limit processed and packaged foods.

Fun Fact: Some naturally MSG-rich foods like tomatoes and Parmesan cheese are loved for their umami flavor—and rarely criticized!


MSG may not deserve the bad rap it has received, and yes, sometimes moms can be wrong.


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