What is E620?
E620 is Glutamic acid, a flavour enhancer. Microbial.
Also written as: INS 620, E-620, E 620. 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 E620 halal?
E620 (Glutamic acid) is halal. Microbial.
What is E620 made from?
Bacterial fermentation.
What is E620 used for?
E620 is used as a flavour enhancer, typically in crisps, instant noodles, stock cubes and ready meals.
What should I do if a product contains E620?
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