What is E203?
E203 is Calcium sorbate, a food additive used as a preservative. Synthetic. No longer permitted in UK and EU food since 2018, but may appear on imported products.
Also written as: INS 203, E-203, E 203. 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.
Is E203 vegetarian or vegan?
Yes. E203 (Calcium sorbate) is normally made from plant, mineral, microbial or synthetic sources, so it is suitable for vegetarians and vegans.
Why we classify it this way
Halal Synthetic. No longer permitted in UK and EU food since 2018, but may appear on imported products.
Basis: No concern found. Made from plants, minerals, fermentation or synthesis, or from a permitted animal product. Nothing in normal production raises a pork, alcohol, insect or slaughter question.
No external reference is listed for this record yet.
Classification audited 3 November 2026. It has not been reviewed by a scholar. How classifications work · Suggest a correction
Frequently asked questions
Is E203 halal?
E203 (Calcium sorbate) is halal. Synthetic. No longer permitted in UK and EU food since 2018, but may appear on imported products.
What is E203 made from?
Synthetic.
What is E203 used for?
E203 is used as a preservative, typically in soft drinks, bread, cured meats, dried fruit and sauces.
What should I do if a product contains E203?
No action needed for this additive. Check the rest of the ingredient list, and remember that meat products still need proper halal slaughter.
Is E203 vegetarian or vegan?
Yes. E203 (Calcium sorbate) is normally made from plant, mineral, microbial or synthetic sources, so it is suitable for vegetarians and vegans.