Last reviewed May 2026 · 1 min read

Is Glutamic Acid vegan?

Also known as: E620

E-number: E620

Vegan

Suitable for a vegan diet.

In short

Yes — Produced via bacterial fermentation of plant sugars (like tapioca or corn).

01 · The basics

What is Glutamic Acid?

An amino acid used as a flavor enhancer to provide an umami taste.

02 · The source

Produced via bacterial fermentation of plant sugars (like tapioca or corn). 100% vegan.

Frequently asked

Is E620 vegan?

Yes, it is a plant-based fermentation product.

Commonly found in

Instant noodlesSpice mixes

A thick liquid or powder made from the contents of yeast cells, used as a flavor enhancer.

The potassium salt of glutamic acid, used as a lower-sodium alternative to MSG.

The calcium salt of glutamic acid, used to enhance flavor.

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