MSG (Monosodium Glutamate)

Also known as: Monosodium Glutamate, Glutamate

Flavor enhancer · E621

US-EU Regulatory Divergence

This additive has different regulatory status in the US and EU — what's permitted in one region may be restricted or banned in the other.

Regulatory Status

United States (FDA)

GRAS

FDA GRAS status. Must be listed on labels when added directly.

European Union (EFSA)

Approved

Approved in EU with ADI of 30 mg/kg body weight/day (set in 2017).

Safety Profile

Extensive scientific review finds MSG safe for the general population. The "MSG sensitivity" phenomenon has not been reproducible in controlled studies.

Health Concerns

  • • "Chinese Restaurant Syndrome" claims largely debunked by science
  • • No consistent evidence of harm at normal dietary levels
  • • May trigger headaches in very sensitive individuals at high doses

Commonly Found In

Savory snacksSoupsProcessed meatsAsian cuisineSeasoning blends

Sources: FDA Substances Added to Food, EFSA opinions, EU Regulation 1333/2008, IARC monographs

SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.