Brilliant Blue FCF
Function: Artificial Color
E133 is the European food-additive number for Brilliant Blue FCF, a colour — added to give or restore colour to food. BRILLIANT BLUE FCF -Blue 1- is an organic compound classified as a blue triarylmethane dye, reflecting its chemical structure.
What is E133 used for?
Brilliant Blue FCF (E133) is a colour — added to give or restore colour to food. It is added during food production for a technological purpose rather than for nutrition.
Is E133 safe or restricted?
E133 faces restrictions under EU rules on how, where, or in what quantities it may be used. Forkin classifies it as “Restricted use” and does not make health claims. See the methodology for how regulatory levels are assigned.
Frequently asked questions about E133
- What is E133?
- E133 is the E-number for Brilliant Blue FCF, a colour — added to give or restore colour to food. BRILLIANT BLUE FCF -Blue 1- is an organic compound classified as a blue triarylmethane dye, reflecting its chemical structure.
- What is E133 used for?
- Brilliant Blue FCF (E133) is a colour — added to give or restore colour to food. Manufacturers add it during processing rather than for nutrition. The Forkin app shows which products in your scan history actually contain it.
- Is E133 vegan or vegetarian?
- It depends on the source. Many additives can be produced from plant, mineral, or animal-derived raw materials, and the ingredient list rarely states which was used. The Forkin app shows the verified vegan and vegetarian status per product where it's known, instead of a blanket guess.
- Is E133 safe, and is it banned anywhere?
- E133 faces restrictions under EU rules on how, where, or in what quantities it may be used. Forkin classifies it as "Restricted use" and does not make health claims — see the methodology page for how regulatory levels are assigned, and the Forkin app for the full profile, including acceptable daily intake (ADI) and restrictions by country.
See the full profile in Forkin
The Forkin app surfaces the full regulatory profile of E133 — acceptable daily intake (ADI), restrictions by country, vegan/vegetarian status, alternative names, and which products in your scan history contain it.