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Food Additive & E‑Number Lookup – Safety & Origin Guide

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Food Additive & E‑Number Lookup

Safety ratings, origins, and detailed guides for common food additives

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Frequently Asked Questions

What are E-numbers in food?

E-numbers are codes assigned by the European Union to identify food additives that have been approved for use. The "E" stands for "Europe." These codes provide a standardized way to label additives across all EU countries, making it easier for consumers to identify what's in their food regardless of the local language.

Are all E-numbers safe?

Most E-numbers are considered safe when consumed within acceptable daily intake (ADI) limits established by the European Food Safety Authority (EFSA). However, some additives have been linked to adverse effects in sensitive individuals, and a small number are best avoided or limited. Our ratings reflect the current scientific consensus.

What's the difference between natural and synthetic food additives?

Natural additives are derived from plants, animals, or minerals (e.g., beetroot red from beets, carrageenan from seaweed). Synthetic additives are chemically manufactured. Some additives can be produced both ways. It's important to note that "natural" doesn't always mean safer—some natural additives can cause allergic reactions.

Which E-numbers should I avoid?

Additives rated "Avoid" in our guide include certain artificial colours linked to hyperactivity in children (E102, E110, E122, E124, E129), nitrates/nitrites (E250, E251) associated with cancer risk when consumed in large quantities, and certain artificial sweeteners like cyclamate (E952). Always consult with a healthcare professional for personalized dietary advice.

How are food additives regulated in Europe?

The European Food Safety Authority (EFSA) rigorously evaluates all food additives before approval. Each additive receives an acceptable daily intake (ADI) based on extensive toxicity studies. Additives are regularly re-evaluated as new scientific evidence emerges. Approved additives receive an E-number and are listed in EU regulations.

What do the different E-number categories mean?

E-numbers are grouped by function: E100–E199 are colours, E200–E299 are preservatives, E300–E399 are antioxidants and acidity regulators, E400–E499 are thickeners and emulsifiers, E500–E599 cover acidity regulators and anti-caking agents, E600–E699 are flavour enhancers, and E900–E999 include sweeteners and glazing agents.

Are natural food additives always safer than synthetic ones?

Not necessarily. Some natural additives can trigger allergic reactions—for example, carmine (E120) from cochineal insects can cause severe allergies, and annatto (E160b) has been linked to reactions in sensitive people. Each additive should be evaluated individually based on scientific evidence, not just its origin.

How can I identify food additives on product labels?

In the EU, food additives must be listed in ingredient lists by their function (e.g., "Colour:") followed by their specific name or E-number. Use this lookup tool to quickly search any E-number or additive name you find on a label to learn about its safety profile, origin, and common uses.

Disclaimer: This guide is for informational purposes only. Safety ratings are based on current scientific literature and regulatory assessments. If you have specific health concerns, please consult a qualified healthcare professional or registered dietitian.

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