You'll discover everything you need to know about E numbers with our expert guides covering their benefits, roles, and safety information. Our comprehensive resources help you make informed choices about food additives, whether you're following specific diets, managing health concerns, or simply wanting to understand what's in your food. Explore E Numbers is here to help.

Try our 2 free tools including the E Number Checker and Dietary E-Number Filter to get instant personalised help.

August's Most Read
Most Popular Tools and Content
E Number Checker

E Number Checker (Free Tool)

Enter an E number or ingredient and find out if it is halal, vegan, or contains animal products. Takes seconds.

Dietary E-Number Filter (Free Tool)

Need to avoid certain E-numbers because of your diet, religion or allergy? Pick what you follow and we will list the additives to watch for and what to look out for on UK food labels.

Complete List of ENumbers

Complete List of ENumbers

Your quick reference guide to E number food additives used in the UK and EU, organized by what each code does.

Does E631 Use Extracted Pig's Fat or Sardine Oil?

Does E631 Use Extracted Pig's Fat or Sardine Oil?

E631 is a flavour enhancer that usually comes from pig or fish, but manufacturers rarely label which source they use.

All E Numbers Bad for You?

All E Numbers Bad for You?

Not all E numbers are bad for you, some come from natural sources, but knowing which ones to avoid takes detective work.

Why We Chose to Avoid E-numbers: A Case Study

Why We Chose to Avoid E-numbers: A Case Study

One family explains how cutting out E numbers from their children's diets helped manage asthma, eczema and food allergies.

Additives in Cigarettes

Additives in Cigarettes

Cigarette manufacturers use over 600 additives to make smoking more addictive and appealing, making it harder for smokers to quit.

Allergies to Food Additives and E-numbers

Allergies to Food Additives and E-numbers

Food additives and E-numbers can trigger allergies with symptoms ranging from hives and rashes to asthma and headaches.

Food Additives That Act as Xenoestrogens

Food Additives That Act as Xenoestrogens

Some common food additives mimic the hormone estrogen in your body, and researchers just identified two new ones to watch out for.

Phosphorous in Fast Food and When to Avoid It

Phosphorous in Fast Food and When to Avoid It

High phosphorous additives in fast food can damage your heart and bones if you have kidney disease, so here's what to avoid.

Additive Free Baby Food

Additive Free Baby Food

Finding baby food without additives means reading labels carefully since preservatives and thickeners often hide in everyday products.

Energy Drink Ingredients Given All Clear

Energy Drink Ingredients Given All Clear

New research has cleared common energy drink ingredients like caffeine and taurine of safety concerns previously raised by health experts.