Monosodium Glutamate
This is what the ingredient is.
Monosodium glutamate (MSG) is the sodium salt of glutamic acid, an amino acid naturally found in tomatoes, cheese, and mushrooms. Commercially produced through fermentation.
Here is why it shows up on the label.
Flavor enhancer providing umami (savory) taste. Used in processed foods, soups, snacks, and Asian cuisine to enhance savory flavors.
Here is what food agencies say.
The FDA lists it as Generally Recognized as Safe. Europe has not set a numeric daily limit. It is approved in the US, Europe (as E621), and Canada., and globally.
Here is what research has found.
Extensively studied - one of the most researched food additives. FDA, EFSA, WHO conclude MSG is safe for general population. Double-blind studies fail to confirm "Chinese Restaurant Syndrome" in most people. Glutamate is naturally occurring amino acid.
Here are a few things worth knowing.
Small subset of people report sensitivity symptoms (headaches, flushing, sweating) though controlled studies show limited evidence. Generally recognized as safe for most people. Not linked to serious adverse effects in scientific literature.
Sources
- FDA Statement 1995
- EFSA Opinion
- Journal of Nutrition 2000
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.