E-Numbers Database UK

Complete guide to all food additives approved in the UK. Search any E-number to learn what it is, where it's used, and whether it's safe.

E-numbers are codes for food additives approved in the European Union and UK. This database provides detailed information about each additive, including safety information based on scientific research.

Colours (E100-E199)

Natural and synthetic food colourings

E100
Curcumin

Natural yellow colour from turmeric. Used in butter, cheese, mustard.

Generally Safe
E102
Tartrazine

Synthetic yellow dye. Linked to hyperactivity in children.

Consider Avoiding
E110
Sunset Yellow

Orange-yellow synthetic dye. Similar concerns to tartrazine.

Use Caution
E150a
Plain Caramel

Brown colour from heated sugar. Found in cola and sauces.

Generally Safe
E150c
Ammonia Caramel

Caramel colour containing 4-MEI. Used in beer and soy sauce.

Use Caution
E150d
Sulphite Ammonia Caramel

The "cola caramel" - highest 4-MEI levels but reformulated.

Use Caution
E160a
Carotene

Natural orange colour, precursor to vitamin A.

Generally Safe
E171
Titanium Dioxide

White colour BANNED in EU. UK still allows. DNA damage concerns.

Avoid If Possible
E172
Iron Oxides

Natural mineral-based red/yellow/black colours.

Generally Safe
E104
Quinoline Yellow

Synthetic yellow dye. Linked to hyperactivity and asthma. Banned in US, Australia.

Consider Avoiding
E120
Carmine (Cochineal)

Natural red dye from crushed insects. Allergy risk. Not vegan.

Use Caution
E122
Carmoisine (Azorubine)

Synthetic red dye linked to hyperactivity. Banned in US, Sweden, Norway.

Consider Avoiding
E124
Ponceau 4R

Synthetic red dye requiring UK warning label. Banned in US.

Consider Avoiding
E129
Allura Red AC

Synthetic red dye (Red 40) linked to hyperactivity in children.

Consider Avoiding
E133
Brilliant Blue

Synthetic blue dye in sweets. Requires hyperactivity warning.

Caution for Children
E131
Patent Blue V

Synthetic blue dye. Allergic reactions possible.

Use Caution
E132
Indigo Carmine

Synthetic blue dye. Generally well-tolerated.

Generally Safe
E141
Copper Chlorophyllin

Natural-derived green colour from plants.

Generally Safe
E153
Vegetable Carbon

Black charcoal colour. Can interfere with medications.

Caution with Meds
E160b
Annatto

Natural orange-red colour from achiote seeds. Used in cheese.

Generally Safe

Preservatives (E200-E299)

Extend shelf life by preventing microbial growth

Antioxidants (E300-E399)

Prevent oxidation and rancidity

Emulsifiers & Thickeners (E400-E499)

Stabilise texture and improve consistency

Raising Agents (E500-E599)

Help baked goods rise

Flavour Enhancers (E600-E699)

Boost existing flavours in food

Sweeteners (E900-E999)

Low or zero-calorie sugar alternatives

Check E-Numbers Instantly

Want to know what E-numbers are in your food? Use NutraSafe's free barcode scanner to check any UK product instantly. The app identifies all additives and explains what each one does.

More E-numbers coming soon. We're building the most comprehensive UK E-numbers database with detailed safety information for every additive. Check back regularly for updates.