Calcium sulphate
Function: Acidity Regulator
E516 is the European food-additive number for Calcium sulphate, an acidity regulator — used to control and stabilise the pH of a food. Calcium sulphate (E516) is a sequestrant used as a food additive.
What is E516 used for?
Calcium sulphate (E516) is an acidity regulator — used to control and stabilise the pH of a food. It is added during food production for a technological purpose rather than for nutrition.
Is E516 safe or restricted?
E516 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 E516
- What is E516?
- E516 is the E-number for Calcium sulphate, an acidity regulator — used to control and stabilise the pH of a food. Calcium sulphate (E516) is a sequestrant used as a food additive.
- What is E516 used for?
- Calcium sulphate (E516) is an acidity regulator — used to control and stabilise the pH of a food. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Is E516 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 E516 safe, and is it banned anywhere?
- E516 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 E516 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.