Blue 2 (Indigotine): What You Need to Know

Blue 2 (Indigotine) is used less frequently than Blue 1 but is still found in candies, cereals, and pet foods. It has fewer studies on its safety.

Blue 2 (Indigotine)

Health Concerns

Commonly Found In

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Regulatory Status

FDA approved in the US. EU approved. Limited safety data compared to other dyes.

How to Avoid Blue 2 (Indigotine)

  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 2 (Indigotine) 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 2 (Indigotine) bad for you?
Brain tumors in male rats at high doses. FDA approved in the US.
What foods contain Blue 2 (Indigotine)?
Blue 2 (Indigotine) is commonly found in: Blue M&M's, Dog food, Some medications, Blue ice cream, Colored cereals.
Is Blue 2 (Indigotine) banned?
FDA approved in the US. EU approved. Limited safety data compared to other dyes.
How can I avoid Blue 2 (Indigotine)?
Use CheckIt AI to scan any product and instantly detect Blue 2 (Indigotine). 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 1 (Brilliant Blue) 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 2 (Indigotine) Bad For You? Health Risks, Products & How to Avoid It (2026)". Climaverse PBC. Retrieved from https://getcheck.it/food-dyes/blue-2
MLA"Is Blue 2 (Indigotine) Bad For You? Health Risks, Products & How to Avoid It (2026)." CheckIt AI, Climaverse PBC, 2026-03-22. https://getcheck.it/food-dyes/blue-2.
HTML Embed<a href="https://getcheck.it/food-dyes/blue-2">Is Blue 2 (Indigotine) Bad For You? Health Risks, Products & How to Avoid It (2026) — CheckIt AI</a>
BibTeX@misc{checkit2026fooddyesblue2, title = {Is Blue 2 (Indigotine) 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-2}, note = {Retrieved 2026-03-22} }