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Last reviewed July 16, 2026

Gellan gum (E418)

Gellan gum is a gelling agent grown by bacteria, not scraped from an animal. It is what keeps the cocoa evenly suspended in your oat milk.

Where it hides

  • Plant milks (keeps solids suspended)
  • Vegan jellies and desserts
  • Confectionery
  • Some fortified drinks

What it is

Gellan gum is a gelling agent made the same way as xanthan gum, by a microbe rather than an animal or plant tissue.

Primary source 01 / 01

Gellan gum is a water-soluble anionic polysaccharide produced by the bacterium Sphingomonas elodea

Wikipedia encyclopedia entry Gellan gum, 2025

In your plant milk

Gellan gum shows up in plant milks to keep added calcium and cocoa evenly suspended, and in vegan jellies and desserts as a gelling agent. Being a fermentation product, it is vegan, and it was quickly adopted as an agar substitute in both food and laboratory settings.

Frequently asked

Is E418 vegan?

Yes. E418 is gellan gum, produced by bacterial fermentation, so it is plant-compatible and vegan.

Why is gellan gum in plant milk?

It suspends added minerals and cocoa so they do not settle at the bottom, and it adds body. It is a vegan ingredient.

The sources

What each verdict rests on. Read them yourself.

  • Gellan gum · Wikipedia, 2025 · encyclopedia overview

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