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Thickener or gelling agent

E422 (glycerol): what it is, its sources, vegan or not

E422 can come from plant oils, animal fat or fermentation, and the pack rarely says which. Vegetarian and vegan profiles get Heads up: source not stated.

By Bravoora teamUpdated 13 October 2026Sources checked 20 September 20264 sourcesHow we check

Heads up

for a vegan profile

E422=source not stated

What is E422?

E422 (glycerol) is a thickener, an additive that thickens a food or gives it the texture of a gel.

What is E422 made from?

E422 can come from plant oils, animal fat or fermentation.

Plant oils
Animal fat
Fermentation

Is E422 vegan?

Heads up. Source not stated. E422 can come from plant oils, animal fat or fermentation. The pack does not have to say which, so the app says Heads up instead of guessing.

What the app says to each profile, and the reason it shows.

VeganHeads upSource not stated. E422 can come from plant oils, animal fat or fermentation. The pack does not have to say which, so the app says Heads up instead of guessing.

VegetarianHeads upSource not stated. E422 can come from plant oils, animal fat or fermentation. One of those is meat, fish or a slaughter by-product, and the pack does not have to say which.

What other names does E422 have on a label?

On a label, E422 can also appear as “INS 422”, “Thickener (422)”, “Thickener (E422)”, “Glycerol” or “Glycerin”.

Any of these on a pack means E422. The checker reads them all.

E422E 422E-422INS 422Thickener (422)Thickener (E422)GlycerolGlycerinGlycerineVegetable glycerine

What would change the answer for E422?

For E422, a stated source changes the answer. A pack that says “from plant oils” gives Fits you; one that says “from animal fat” gives Not for you. A list that is cut off or unreadable gets Needs one more scan.