Specimen No. 0173
CautionSyntheticcolorantdye
Blue 1 / Brilliant Blue FCF
blue 1 · fd&c blue 1 · e133
A synthetic non-azo colorant approved by the FDA and EFSA. EFSA found no established carcinogenicity or genotoxicity but notes moderate risk of ADI exceedance in children eating high-dye diets. Some preclinical studies raise neurotoxicity concerns. Rare allergic reactions and hypersensitivity responses have been documented.
medium confidence
Researched April 18, 2026Specimen 0173Blue 1 / Brilliant Blue FCF
Concerns
- Neurotoxicity potential in preclinical studies — mechanism not fully characterized [Inference]
- ADI exceedance risk in children with high-dye diets (EFSA)
- Rare allergic reactions and hypersensitivity reported
- Linked to hyperactivity in some behavioral studies
Regulatory flags
- ⚑Not approved in EU as a food dye
Commonly found in
CandyBeveragesBaked goodsFrostingsConfectioneryIce cream
Sources & references
Last researched: April 18, 2026
Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.
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