Last reviewed May 2026 · 1 min read
Is Boric Acid vegan?
Also known as: E284
E-number: E284
Vegan
Suitable for a vegan diet.
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
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