Is E133 Vegan? Brilliant Blue FCF
E133 (Brilliant Blue FCF) is vegan. It is derived from synthetic dye, with no animal involvement in standard food production.
Why is E133 vegan?
The source of Brilliant Blue FCF is synthetic dye, which is plant-derived, mineral or synthetic — all acceptable for vegans.
Is E133 vegetarian?
E133 is vegetarian.
What should vegans do about E133?
If you're avoiding Brilliant Blue FCF, look for products without E133 in the ingredients list.
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Helpful for vegan label reading
Resources for vegans checking E-numbers like E133
Vegan Ingredient Guide
Spot hidden animal-derived E-numbers including E133 on any food label.
Vegan Label Reading
Books and pocket cards that decode E-numbers and hidden animal additives in seconds.
Certified Vegan Foods
Products with vegan certification logos — no ingredient-by-ingredient guessing.
E133 vegan FAQs
Is E133 vegan?
E133 is always vegan: synthetic dye.
Is E133 always non-vegan?
No — E133 is always vegan. It is derived from synthetic dye in all standard food uses.
How can I tell if E133 is vegan in a specific product?
You don't need to check for E133 specifically — it is always vegan. Look for vegan certification logos if you want a full product-level guarantee.
Other additives to watch for vegans
Data: Open Food Facts (ODbL). Vegan status reflects the most common source — always verify with manufacturer or look for certified vegan labelling.