| Factor | Monosodium Glutamate (MSG) | Autolyzed Yeast Extract |
|---|---|---|
| E-Number | E621 | — |
| Category | Flavor | Flavor |
| Severity | Moderate Risk (6/10) | Moderate Risk (6/10) |
| FDA Status | FDA classifies MSG as GRAS. FDA requires MSG to be declared on the label when added as an ingredient. FDA commissioned a… | FDA classifies yeast extract as a natural flavoring, not as MSG, even though it contains free glutamic acid. Products co… |
| EFSA Status | EFSA re-evaluated in 2017 and established a group ADI of 30 mg/kg body weight/day for glutamic acid and its salts (E 620… | Approved in the EU as a flavoring ingredient. Not assigned an E-number because it is classified as a food ingredient rat… |
| Banned In | — | — |
| Products Found | 7 | 10 |
Both Monosodium Glutamate (MSG) and Autolyzed Yeast Extract have the same severity score (6/10). Neither is clearly worse than the other based on current data.
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CheckIt AI. (2026). "Monosodium Glutamate (MSG) vs Autolyzed Yeast Extract — Which Is Worse? | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/monosodium-glutamate-vs-autolyzed-yeast"Monosodium Glutamate (MSG) vs Autolyzed Yeast Extract — Which Is Worse? | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/ingredients/monosodium-glutamate-vs-autolyzed-yeast.<a href="https://getcheck.it/ingredients/monosodium-glutamate-vs-autolyzed-yeast">Monosodium Glutamate (MSG) vs Autolyzed Yeast Extract — Which Is Worse? | CheckIt AI — CheckIt AI</a>@misc{checkit2026ingredientsmonosodiumglutamatevsautolyzedyeast,
title = {Monosodium Glutamate (MSG) vs Autolyzed Yeast Extract — Which Is Worse? | CheckIt AI},
author = {CheckIt AI},
year = {2026},
publisher = {Climaverse PBC},
url = {https://getcheck.it/ingredients/monosodium-glutamate-vs-autolyzed-yeast},
note = {Retrieved 2026-03-05}
}