Is it vegan? Additives & E-numbers E621
Is MSG vegan?
Quick answer: Yes. MSG (E621) is made by fermenting plant carbohydrates such as sugar cane, sugar beet or starch, and is vegan.
Also called: E621, MSG, monosodium glutamate, sodium glutamate, glutamate
Why it’s vegan
Monosodium glutamate is the sodium salt of glutamic acid, an amino acid. It is produced industrially by bacterial fermentation of plant-derived sugars and starches. EFSA re-evaluated glutamic acid and glutamates (E620–625) in 2017.
MSG itself is vegan, but it is often combined with other flavour enhancers such as disodium inosinate (E631), which can be animal-derived, so check the whole label.
What to look for on the label
- E621
- monosodium glutamate
- flavour enhancer
Where it’s found
- Stock cubes and seasonings
- Crisps and instant noodles
- Savoury snacks
Frequently asked questions
Is MSG vegan?
Yes. MSG (E621) is made by fermenting plant carbohydrates such as sugar cane, sugar beet or starch, and is vegan.
Sources
- Approved additives and E numbers — Food Standards Agency (UK)
- Re-evaluation of glutamic acid and glutamates (E 620–625) as food additives (2017) — EFSA Journal
- Ingredient questions and answers — The Vegetarian Resource Group
Checked on 31 October 2026. Ingredients and recipes change, and the same product can differ between countries — always check the current label. This page is general information, not allergy or medical advice.