E522Under monitoring
Aluminium potassium sulphate
Function: Food Additive
E522 is the European food-additive number for Aluminium potassium sulphate. Aluminium potassium sulphate (E522) is a food additive used as a food additive.
Is E522 safe or restricted?
E522 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as “Under monitoring” and does not make health claims. See the methodology for how regulatory levels are assigned.
Frequently asked questions about E522
- What is E522?
- E522 is the E-number for Aluminium potassium sulphate. Aluminium potassium sulphate (E522) is a food additive used as a food additive.
- Is E522 vegan or vegetarian?
- It depends on the source. Many additives can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which was used. The Forkin app shows the verified vegan and vegetarian status per product where it's known, instead of a blanket guess.
- Is E522 safe, and is it banned anywhere?
- E522 is approved for use in the EU. It sits among the additives EFSA keeps under ongoing review as new evidence is published. Forkin classifies it as "Under monitoring" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E522 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.