E922No regulatory flags
Potassium persulfate
Function: Food Additive
E922 is the European food-additive number for Potassium persulfate. Potassium persulfate (E922) is a food additive used as a food additive.
Is E922 safe or restricted?
E922 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as “No regulatory flags” and does not make health claims. See the methodology for how regulatory levels are assigned.
Frequently asked questions about E922
- What is E922?
- E922 is the E-number for Potassium persulfate. Potassium persulfate (E922) is a food additive used as a food additive.
- Is E922 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 E922 safe, and is it banned anywhere?
- E922 is an approved food additive in the EU and currently carries no special regulatory restrictions in the EU additive register. Forkin classifies it as "No regulatory flags" 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 E922 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.