What is E234?
E234 is Nisin, a preservative. Microbial.
Also written as: INS 234, E-234, E 234. 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 E234 halal?
E234 (Nisin) is halal. Microbial.
What is E234 made from?
Bacterial fermentation.
What is E234 used for?
E234 is used as a preservative, typically in soft drinks, bread, cured meats, dried fruit and sauces.
What should I do if a product contains E234?
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