Is E522 Vegan? Aluminium Potassium Sulphate
E522 (Aluminium Potassium Sulphate) is vegan. It is derived from mineral, with no animal involvement in standard food production.
Why is E522 vegan?
The source of Aluminium Potassium Sulphate is mineral, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E522 vegetarian?
E522 is vegetarian.
What should vegans do about E522?
If you're avoiding Aluminium Potassium Sulphate, look for products without E522 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E522
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E522 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.
E522 vegan FAQs
Is E522 vegan?
E522 is always vegan: mineral.
Is E522 always non-vegan?
No — E522 is always vegan. It is derived from mineral in all standard food uses.
How can I tell if E522 is vegan in a specific product?
You don't need to check for E522 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.