e309
Also listed as: E309
Synthetic preservative or chemical colorant. Linked in clinical pediatric trials to hyperactivity. Can react under acidic conditions to form carcinogens (like benzene). May cause severe allergic histamine release.
- MicroplasticsNot flagged
- SugarsNot flagged
- Seed OilsNot flagged
- Immune System
- Brain / Neurological
- Liver
- FDASubject to strict maximum parts-per-million limits
- EFSARequires warning labels for children's developmental impact
PubMed References
Food additives and hyperactive behavior in 3-year-old and 8/9-year-old children: a double-blind study(2022)
PubMed (PMID 17825405)→Last reviewed: May 2026
FAQ
Is e309 bad for you?
Synthetic preservative or chemical colorant. Linked in clinical pediatric trials to hyperactivity. Can react under acidic conditions to form carcinogens (like benzene). May cause severe allergic histamine release.
What does e309 do to your body?
e309 primarily affects: Immune System, Brain / Neurological, Liver.
How often is it safe to consume e309?
Daily: Avoid — suspected genotoxic and behavioral risks. Weekly: Avoid in children's diet. Monthly: Safe for occasional consumption.
What products contain e309?
e309 is commonly found in food products. Use the Zeral app to scan any product and instantly see if it contains e309.
Related Ingredients
Other Food ingredients you should know about
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Medical Disclaimer: The information on this page is compiled from peer-reviewed scientific studies and regulatory reports. It is intended for general awareness and educational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.