Is E523 Vegan? Aluminium Ammonium Sulphate
E523 (Aluminium Ammonium Sulphate) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Why is E523 vegan?
The source of Aluminium Ammonium Sulphate is mineral, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E523 vegetarian?
E523 is vegetarian.
What should vegans do about E523?
If you're avoiding Aluminium Ammonium Sulphate, look for products without E523 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E523
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E523 on any food label.
Vegan Label Reading
Books and pocket cards that decode E-numbers and hidden animal additives in seconds.
Certified Vegan Foods
Products with vegan certification logos — no ingredient-by-ingredient guessing.
E523 vegan FAQs
Is E523 vegan?
E523 is always vegan: mineral.
Is E523 always non-vegan?
No — E523 is always vegan. It is derived from mineral in all standard food uses.
How can I tell if E523 is vegan in a specific product?
You don't need to check for E523 specifically — it is always vegan. Look for vegan certification logos if you want a full product-level guarantee.
Other additives to watch for vegans
Data: Open Food Facts (ODbL). Vegan status reflects the most common source — always verify with manufacturer or look for certified vegan labelling.