What is E622?
E622 is Monopotassium glutamate, a flavour enhancer. Microbial.
Also written as: INS 622, E-622, E 622. 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 E622 halal?
E622 (Monopotassium glutamate) is halal. Microbial.
What is E622 made from?
Fermentation.
What is E622 used for?
E622 is used as a flavour enhancer, typically in crisps, instant noodles, stock cubes and ready meals.
What should I do if a product contains E622?
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