Last reviewed May 2026 · 1 min read
Is Ammonium Bicarbonate vegan?
Also known as: Hartshorn, E503ii
E-number: E503ii
Vegan
Suitable for a vegan diet.
Yes — Produced synthetically.
01 · The basics
What is Ammonium Bicarbonate?
A traditional raising agent used in flat, dry cookies and crackers.
02 · The source
Where it comes from
Produced synthetically. 100% vegan.
03 · Alternatives
Best vegan alternatives
Baking powder
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Frequently asked
FAQ
Is ammonium bicarbonate vegan?
Yes, it is a synthetic mineral product.
Commonly found in
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