What is E302?
E302 is Calcium ascorbate, an antioxidant. No animal source.
Also written as: INS 302, E-302, E 302. 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 E302 halal?
E302 (Calcium ascorbate) is halal. No animal source.
What is E302 made from?
Made from ascorbic acid.
What is E302 used for?
E302 is used as an antioxidant, typically in oils, crisps, cereals and fatty foods.
What should I do if a product contains E302?
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