Blue 1 (Brilliant Blue): What You Need to Know

Blue 1 (Brilliant Blue FCF) is a synthetic dye used to create blue and green colors in foods. It can cross the blood-brain barrier, which raises unique safety concerns.

Blue 1 (Brilliant Blue)

Health Concerns

Commonly Found In

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Regulatory Status

FDA approved in the US. EU approved but some member states recommend limiting intake. Can cross the blood-brain barrier, raising neurological concerns.

How to Avoid Blue 1 (Brilliant Blue)

  1. Download CheckIt AI — Free food scanner that detects all artificial dyes
  2. Scan any product — Point your camera at the ingredient label
  3. Get instant alerts — Blue 1 (Brilliant Blue) and all other dyes are flagged immediately
  4. Find alternatives — See dye-free options for the same product
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Frequently Asked Questions

Is Blue 1 (Brilliant Blue) bad for you?
Can cross blood-brain barrier. FDA approved in the US.
What foods contain Blue 1 (Brilliant Blue)?
Blue 1 (Brilliant Blue) is commonly found in: M&M's, Gatorade Blue, Fruit Loops, Blue Raspberry flavored products, Frosting and icings.
Is Blue 1 (Brilliant Blue) banned?
FDA approved in the US. EU approved but some member states recommend limiting intake. Can cross the blood-brain barrier, raising neurological concerns.
How can I avoid Blue 1 (Brilliant Blue)?
Use CheckIt AI to scan any product and instantly detect Blue 1 (Brilliant Blue). The app flags all artificial dyes and suggests dye-free alternatives.

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More Food Dye Guides: Red 40 (Allura Red) Red 3 (Erythrosine) Yellow 5 (Tartrazine) Yellow 6 (Sunset Yellow) Blue 2 (Indigotine) Green 3 (Fast Green) Caramel Color Titanium Dioxide (E171) Annatto (E160b) Banned Food Dyes
All Food Dyes · Food Dye Ban 2026 · Food Dyes & ADHD · Dye-Free Scanner · Banned in Europe
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📋 Cite This Data
APACheckIt AI. (2026). "Is Blue 1 (Brilliant Blue) Bad For You? Health Risks, Products & How to Avoid It (2026)". Climaverse PBC. Retrieved from https://getcheck.it/food-dyes/blue-1
MLA"Is Blue 1 (Brilliant Blue) Bad For You? Health Risks, Products & How to Avoid It (2026)." CheckIt AI, Climaverse PBC, 2026-03-22. https://getcheck.it/food-dyes/blue-1.
HTML Embed<a href="https://getcheck.it/food-dyes/blue-1">Is Blue 1 (Brilliant Blue) Bad For You? Health Risks, Products & How to Avoid It (2026) — CheckIt AI</a>
BibTeX@misc{checkit2026fooddyesblue1, title = {Is Blue 1 (Brilliant Blue) Bad For You? Health Risks, Products & How to Avoid It (2026)}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/food-dyes/blue-1}, note = {Retrieved 2026-03-22} }