If you look at the ingredient list of an international food product, you will often find a list of codes starting with the letter "E," such as E300, E100, or E621. For many, these "E-numbers" are a source of anxiety, leading to the belief that the food is "full of chemicals."
In reality, the "E" simply stands for Europe, and these numbers are a classification system for additives that have been assessed for safety by the European Food Safety Authority (EFSA). At CalorieFinder, we decode these numbers in our search results at www.caloriefinder.org. Today, we’re breaking down the E-number categories so you can shop with confidence.
1. What Exactly Are E-Numbers?
E-numbers are additives used to improve the color, shelf-life, taste, or texture of food. While some are synthetic, many are derived from natural sources. For example, E100 is actually Turmeric, and E300 is Vitamin C (Ascorbic acid).
The system was designed to simplify labels. Instead of writing out a complex chemical name that might differ in every language, a single code is used across all European and many global markets.
2. The Main E-Number Categories
E-numbers are grouped by their function. Understanding the "hundreds" digit can help you identify what an additive is doing in your food:
- E100–E199 (Colours): Used to make food look more appealing (e.g., E160a is Beta-carotene).
- E200–E299 (Preservatives): Used to prevent spoilage from bacteria and mold (e.g., E202 is Potassium sorbate).
- E300–E399 (Antioxidants & Acidity Regulators): Used to stop fats from going rancid (e.g., E322 is Lecithin).
- E400–E499 (Thickeners, Stabilisers & Emulsifiers): Give food its texture (e.g., E440 is Pectin).
- E600–E699 (Flavour Enhancers): Used to boost taste (e.g., E621 is MSG).
3. Are E-Numbers Safe?
Before an additive is assigned an E-number, it must undergo rigorous testing. The EFSA determines an Acceptable Daily Intake (ADI)—the amount that can be consumed daily over a lifetime without health risks.
However, some individuals may have sensitivities. For instance, certain azo-dyes (like E102 Tartrazine) must carry a warning in the EU stating they "may have an adverse effect on activity and attention in children." By using CalorieFinder, you can quickly identify these specific additives if you or your family members are sensitive to them.
4. Using CalorieFinder to Screen Additives
Don't want to memorize hundreds of codes? You don't have to. Here is how to use our tool:
- Enter a branded product on www.caloriefinder.org.
- Scroll to the "Ingredients & Additives" section.
- Our system automatically translates the E-number codes into their common names.
- Check the NOVA score (as discussed in previous posts) to see if these additives place the food into the "Ultra-Processed" category.
🔍 The "Clean Label" Trend
Many modern manufacturers are moving toward "Clean Labeling." This means they replace E-numbers with their natural names (e.g., writing "Rosemary Extract" instead of "E392") to make the product look more natural. CalorieFinder helps you see through this marketing by listing the function of every ingredient.
Frequently Asked Questions
1. What is the most common E-number found in food? A: E300 (Vitamin C) and E330 (Citric Acid) are among the most common. They are used as antioxidants and preservatives to keep food fresh and are generally recognized as very safe.
2. Why are some E-numbers banned in some countries but not others?
A: Different regulatory bodies (like the EFSA in Europe and the FDA in the US) interpret safety studies differently. For example, some food dyes used in the US do not have E-numbers because they are not approved for use in the EU.
3. How does CalorieFinder identify hidden additives?
A: CalorieFinder pulls data from the Open Food Facts database, which uses crowdsourced and manufacturer data to list every additive found in a product's barcode information, translating codes into readable names for you.
Conclusion
E-numbers aren't inherently "bad," but they are a sign of how much a food has been modified. By using CalorieFinder to decode your labels, you move from "fearing" ingredients to "understanding" them. Shop with data, not with fear.