Is E155 Vegan?
E155 (Brown HT) is suitable for vegans. It is a synthetic azo dye, and no animal-derived materials are involved in its standard production.
Why is E155 vegan?
A synthetic azo dye. Because the production process doesn't use animal ingredients or animal processing aids, E155 is classed as vegan by the Open Food Facts additive taxonomy and by vegan organisations.
What can vegans look for instead?
No alternative needed — E155 itself is vegan-friendly. Just remember that a product containing E155 can still be non-vegan because of its other ingredients, so always read the full label.
Is E155 vegetarian?
Yes — E155 is suitable for vegetarians.
Frequently Asked Questions
Is E155 always non-vegan?
E155 is consistently produced without animal ingredients, so it is regarded as vegan in all normal food uses.
How can I tell if E155 is vegan in a specific product?
You generally don't need to — E155 is vegan by nature. Check the rest of the ingredients list for animal-derived items instead.
Are there vegan-friendly versions of E155?
All standard food-grade E155 is vegan, so no special version is needed.
← Everything about E155: safety, halal status and where it's found
This section contains affiliate links. We may earn a small commission if you purchase through our links, at no extra cost to you.
Looking for vegan food products?
Vegan ingredient guides
Learn to spot hidden animal ingredients on any label.
Vegan status follows the Open Food Facts additive taxonomy (ODbL licence). Sources may vary by manufacturer — check packaging or look for certified vegan labelling.