What is E270?
E270 is Lactic acid, an acidity regulator. Microbial. Not made from milk despite the name.
Also written as: INS 270, E-270, E 270. 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 E270 halal?
E270 (Lactic acid) is halal. Microbial. Not made from milk despite the name.
What is E270 made from?
Bacterial fermentation of sugars.
What is E270 used for?
E270 is used as an acidity regulator, typically in soft drinks, sweets, jams, sauces and processed foods.
What should I do if a product contains E270?
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