CodeE421 · INS 421
TypeSweetener
Made fromMade from sugars or seaweed.
Found indiet drinks, sugar-free sweets, chewing gum and yoghurts
What is E421?
E421 is Mannitol, a sweetener. Plant-derived.
Also written as: INS 421, E-421, E 421. 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 E421 halal?
E421 (Mannitol) is halal. Plant-derived.
What is E421 made from?
Made from sugars or seaweed.
What is E421 used for?
E421 is used as a sweetener, typically in diet drinks, sugar-free sweets, chewing gum and yoghurts.
What should I do if a product contains E421?
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
E420SorbitolE950Acesulfame KE951AspartameE952CyclamateE954SaccharinE955SucraloseE422Glycerol (glycerine)
Last reviewed 2026-10-06. How we decide · Suggest a correction