Last reviewed May 2026 · 1 min read

Is Fumaric Acid (E297) vegan?

Also known as: E297

E-number: E297

Vegan

Suitable for a vegan diet.

See all vegan ingredients →

In short

Yes — Synthetic or fungal.

01 · The basics

What is Fumaric Acid (E297)?

Acidity regulator.

02 · The source

Where it comes from

Synthetic or fungal. Vegan.

Frequently asked

FAQ

Is E297 vegan?

Yes.

Commonly found in

Tortillas
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