Last reviewed May 2026 · 1 min read
Is Aluminium Ammonium Sulfate vegan?
Also known as: Ammonium alum, E523
E-number: E523
Vegan
Suitable for a vegan diet.
In short
Yes — It is produced synthetically from minerals.
01 · The basics
What is Aluminium Ammonium Sulfate?
A mineral salt used as a firming agent and stabilizer.
02 · The source
Where it comes from
It is produced synthetically from minerals. It involves no animals.
Frequently asked
FAQ
Is E523 vegan?
Yes, it is a synthetic mineral salt.
Commonly found in
Candied fruitsGlace cherriesBaking powder
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