Last reviewed May 2026 · 1 min read

Is Boric Acid vegan?

Also known as: E284

E-number: E284

Vegan

Suitable for a vegan diet.

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In short

Yes — Mined mineral.

01 · The basics

What is Boric Acid?

A preservative used for caviar.

02 · The source

Where it comes from

Mined mineral. 100% vegan.

Frequently asked

FAQ

Is E284 vegan?

The mineral is, but its primary use is not.

Commonly found in

Caviar (Non-vegan use)
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