E133
E133: Brilliant blue FCF
Low concernFunction: colour
What is E133?
E133 (Brilliant blue FCF) is a colour used in processed foods.
What the research says
Synthetic blue colour (Blue 1 in the US). Regulators consider it safe at permitted levels.
Regulatory status
| European Union | Approved |
|---|---|
| United States | Approved |
Questions people ask
Is E133 (Brilliant blue FCF) safe?
Synthetic blue colour (Blue 1 in the US). Regulators consider it safe at permitted levels.
Why is E133 added to food?
It is used as a colour.
Does E133 make a food ultra-processed?
Yes. Under the NOVA system, cosmetic additives such as E133 mark a food as ultra-processed.