Blue 1 (Brilliant Blue FCF) Side Effects

Blue 1 (Brilliant Blue FCF) is a artificial food dye with 1 high-severity side effects. Found in 26 products in our database. FDA approved with no restrictions or required warnings.

5
Known Side Effects
26
Products Contain It
1
High Severity
4
Safer Alternatives

What Is Blue 1 (Brilliant Blue FCF)?

Blue 1 is a synthetic blue dye derived from petroleum. Studies have raised concerns about its ability to cross the blood-brain barrier and cause chromosomal damage. Several European countries ban it entirely.

Also known as:
Brilliant Blue FCFFD&C Blue No. 1E133Blue 1 Lake

Known Side Effects

High Risk May cross the blood-brain barrier
Moderate Hyperactivity in children
Moderate Allergic reactions
Moderate Chromosomal damage in lab studies
Low Blue discoloration of skin and urine

Regulatory Status

🇺🇸 FDA Status

FDA approved with no restrictions or required warnings.

🇪🇺 EU Status

Banned in Austria, Belgium, France, Germany, Sweden, Switzerland, and Norway.

Scientific References

  1. Studies showing Blue 1 crosses the blood-brain barrier in animals
  2. In vitro chromosomal aberration studies
  3. Multiple European country bans based on precautionary principle

Products Containing Blue 1 (Brilliant Blue FCF) (26 found)

These products were found to contain blue 1 (brilliant blue fcf) or its variants in our database of 26,000+ grocery products.

#ProductBrandScore
1Trail Mix Snack PacksKirkland,Kirkland Signature,M&M's0/100
2Trail MixKirkland0/100
3Trail MixKirkland1/100
4ORIGINAL GRAPE, GREEN APPLE, LEMON, STRAWBERRY, ORANGE BITE SIZE CANDIES, ORIGINALMars Chocolate North America LLC1/100
5Equate Clear Liquid Hand SoapUnknown4/100
6Skittles LittlesSkittles9/100
7Skittles Pop'dSkittles12/100
8EquateUnknown16/100
9Trail MixKirkland18/100
10PEANUT CHOCOLATE CANDIES, PEANUTMars Chocolate North America LLC20/100
11ASSORTED CARAMELS SUGAR FREE CHOCOLATE CANDY, ASSORTED CARAMELSRussell Stover Candies Inc.20/100
12ORIGINAL GRAPE, LEMON, LIME, STRAWBERRY, ORANGE JELLY BEANS, ORIGINALMars, Inc.25/100
13ORIGINAL BITE SIZE CANDIES, ORIGINALMars, Inc.30/100
14MARSHMALLOW FLAVORED CEREAL WITH MARSHMALLOWS, MARSHMALLOWThe Kellogg Company 56/100
15HOLIDAY FAVORITES JELLY BEANS, CRANBERRY SAUCE, CANDY CANE, PUMPKIN PIE, EGG NOG, HOT CHOCOLATEJelly Belly Candy Company68/100

Safer Alternatives to Blue 1 (Brilliant Blue FCF)

Spirulina extractButterfly pea flowerRed cabbage extractBlueberry concentrate
📬

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Frequently Asked Questions

What are the side effects of Blue 1?
Blue 1 may cross the blood-brain barrier, cause hyperactivity in children, trigger allergic reactions, and cause chromosomal damage in laboratory studies. It is banned in several European countries.

⚕️ Disclaimer: This information is for educational purposes only and is not medical advice. Side effect data is compiled from published scientific studies and regulatory assessments. Always consult your healthcare provider for personalized guidance. Last updated: 2026-03-05.

Other Ingredient Side Effects

Red 40 (Allura Red AC) Yellow 5 (Tartrazine) Yellow 6 (Sunset Yellow FCF) Red 3 (Erythrosine) Blue 2 (Indigo Carmine) Aspartame Sucralose Acesulfame Potassium (Ace-K) MSG (Monosodium Glutamate) High Fructose Corn Syrup (HFCS) All Ingredient Side Effects Banned in Europe Ingredient Encyclopedia
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📋 Cite This Data
APACheckIt AI. (2026). "Blue 1 (Brilliant Blue FCF) Side Effects — Health Risks, FDA Status & Products | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/side-effects/blue-1
MLA"Blue 1 (Brilliant Blue FCF) Side Effects — Health Risks, FDA Status & Products | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/side-effects/blue-1.
HTML Embed<a href="https://getcheck.it/side-effects/blue-1">Blue 1 (Brilliant Blue FCF) Side Effects — Health Risks, FDA Status & Products | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026sideeffectsblue1, title = {Blue 1 (Brilliant Blue FCF) Side Effects — Health Risks, FDA Status & Products | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/side-effects/blue-1}, note = {Retrieved 2026-03-05} }