Is casein a major allergen?
Casein is milk, and milk must be named on food labels. Casein itself is not a separate entry on those lists.
Casein is declared under “Milk” on these lists.
| Allergen | US | UK and Europe | Gulf |
|---|---|---|---|
| Milk | Required | RequiredLactose included | RequiredLactose included |
Sources checked 22 September 2026. All allergen guides
What are the other names for casein on a label?
On a label, casein can also appear as “Caseinate”, “Sodium caseinate”, “Calcium caseinate”, “Potassium caseinate” or “Milk protein”.
Bravoora reads each of these as milk. Try the label checker · How Bravoora decides
Where is casein found?
- Processed and spreadable cheese use casein to melt smoothly.
- Coffee creamers, including some labelled “non-dairy”, contain caseinate.
- Protein bars and meal replacements often contain it.
- Some breads, sausages and sauces use it to bind.
Which diets and allergies does casein fit?
For casein: vegan and dairy-free profiles get Not for you; vegetarian, gluten-free, peanut-allergy, sesame-allergy, egg-allergy, soy-allergy and caffeine-free profiles get Fits you.
A packed product can still carry a “may contain” warning, so check the pack.
Does casein fit you?
Pick what applies to you:
Pick at least one to see your answer.
What is casein?
Casein is about four fifths of the protein in milk. It is separated out and used to add protein, to bind, and to make processed cheese melt. In the US, creamers labelled “non-dairy” may legally contain caseinate, which is milk. Casein and caseinates must be declared as an allergen in the US, the UK, the EU and the Gulf.
How does Bravoora check for casein?
Bravoora counts every caseinate as milk, including in products that call themselves non-dairy.
More questions about casein
Who looks out for casein?
Casein matters most to people with a milk allergy and anyone following a vegan profile. Caseinates hold almost no lactose.
Is casein vegan?
No. It comes from milk.
Does casein fit a milk allergy or dairy-free profile?
No. It is a milk protein, including in products labelled “non-dairy”.
Is casein vegetarian?
Yes. It is animal-derived, but it is not meat or fish, so it usually suits a vegetarian diet.
Sources and how to cite this guide
- US FDA: Food allergies
- UK Food Standards Agency: Allergen guidance
- European Union: Regulation 1169/2011 on food information to consumers, Annex II
- US FDA: Questions and Answers Regarding Food Allergen Labeling, Edition 5 (January 2025)
- FARE: Update to FDA guidance for food allergen labeling (tree nuts and coconut, January 2025)
- GCC Standardization Organization: GSO 9:2022, labelling of prepackaged food (current edition)
- GCC Standardization Organization: GSO 9/2013 English text, clause 5.2.5 (the allergen list as published)
- FAO/WHO international food labelling standard (CXS 1-1985, revised 2024)
To cite this guide: Bravoora, “Casein on a food label: it means milk”, bravoora.app/ingredients/casein/, updated 11 October 2026.
Spotted something wrong or missing? Tell us.
General information, not medical advice. Rules differ by country and products change, so always check the pack.
Related ingredient guides
MilkMilk and its proteins hide under many names on ingredient lists.Read the guide
WheyThe milk protein left after cheese-making, under a name that doesn’t say milk.Read the guide
LactoseThe sugar in milk. Avoiding it is not the same as avoiding milk protein.Read the guide
GheeButter with the water and milk solids cooked off. Still milk on every label.Read the guide