In the UK, there are 14 food allergens that are recognised as the most common ingredients that can cause allergic reactions. Food businesses must tell customers if any food they provide contain any of these ingredients.
The 14 allergens are:
- Celery
- Cereals containing gluten (such as wheat, barley and oats),
- Crustaceans (such as prawns, crabs and lobsters),
- Eggs
- Fish
- Lupin
- Milk
- Molluscs (such as mussels and oysters)
- Mustard
- Peanuts
- Sesame
- Soybeans
- Sulphur dioxide and sulphites (if the sulphur dioxide and sulphites are at a concentration of more than ten parts per million)
- Tree nuts (such as almonds, hazelnuts, walnuts, brazil nuts, cashews, pecans, pistachios and macadamia nuts).
People may also have allergies or intolerance to other foods and environmental substances, but these are not required to be declared by law.
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