Brilliant Blue
Also listed as FD&C Blue No. 1, FD&C Blue 1, E133, and Brilliant Blue FCF.
This is what the ingredient is.
Brilliant Blue (E133, FD&C Blue 1) is a synthetic triarylmethane dye providing bright blue color to foods.
Here is why it shows up on the label.
Used in beverages, candies, ice cream, and dairy products. Combined with yellow dyes to create green.
Here is what food agencies say.
The FDA has approved it. Europe sets a suggested daily limit of about 6 milligrams per kilogram of body weight. It is allowed in the US, Europe, and many other countries.
Here is what research has found.
Generally considered one of the safer synthetic dyes. Low absorption from GI tract. Recent studies suggest possible neuroprotective effects.
Here are a few things worth knowing.
May cause allergic reactions in rare cases. Can color urine and feces, which is harmless.
Sources
- FDA CFR 21
- EFSA Panel on Food Additives
- JECFA
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.