CodeE503 · INS 503
TypeRaising agent
Made fromSynthetic.
Found incakes, biscuits and baking powder
What is E503?
E503 is Ammonium carbonates, a raising agent. Synthetic.
Also written as: INS 503, E-503, E 503. INS is the international numbering system used outside Europe, including on labels in Asia, Australia and the Middle East.
What to do
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Frequently asked questions
Is E503 halal?
E503 (Ammonium carbonates) is halal. Synthetic.
What is E503 made from?
Synthetic.
What is E503 used for?
E503 is used as a raising agent, typically in cakes, biscuits and baking powder.
What should I do if a product contains E503?
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Related E-numbers
Last reviewed 2026-10-06. How we decide · Suggest a correction