Most certifiers accept this, but some people prefer to avoid it. Turn on strict mode to flag it.
What is E627?
E627 is Disodium guanylate, a flavour enhancer. Almost always from yeast or fermentation today. Strict mode flags it because an animal source is possible.
Also written as: INS 627, E-627, E 627. 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 E627 halal?
E627 (Disodium guanylate) is halal. Almost always from yeast or fermentation today. Strict mode flags it because an animal source is possible.
What is E627 made from?
Usually yeast extract or fermentation; historically sardines or meat.
What is E627 used for?
E627 is used as a flavour enhancer, typically in crisps, instant noodles, stock cubes and ready meals.
What should I do if a product contains E627?
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