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Ingredient dictionary

Wheat protein isolate on a food label: it contains gluten

Wheat protein isolate is a kind of wheat protein. It contains gluten, so the allergen labelling rules apply. It is vegan. Open Food Facts finds it in 782 products, most often in biscuits and cakes.

By Bravoora teamUpdated Sources checked 6 sourcesHow we check

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Wheat protein isolate=gluten

Does wheat protein isolate contain an allergen?

Yes. Wheat protein isolate is made from wheat, a cereal containing gluten: labels in the UK, Europe and the Gulf must declare it, and US labels must name wheat.

AllergenUSUK and EuropeGulf
Cereals containing glutenPartlyWheat onlyRequiredWheat, rye, barley, oats, spelt, khorasanRequiredWheat, barley, oats, rye, spelt

Read the gluten guide

Is wheat protein isolate vegan?

Yes. Wheat protein isolate is vegan and vegetarian: Open Food Facts records nothing from an animal in it.

VeganFits youNothing from an animal, by the Open Food Facts record.
VegetarianFits youNothing from an animal, by the Open Food Facts record.
Coeliac or gluten-freeNot for youIt is made from a cereal containing gluten.

A pack can differ from the usual recipe: the app reads the label in your hand.

What other names does wheat protein isolate have on a label?

In English wheat protein isolate can also read “isolated wheat protein”. On European labels it is “Weizenproteinisolat” in German and “proteine del grano isolate” in Italian.

In Englishisolated wheat protein
German
Weizenproteinisolat, isoliertes Weizenprotein
Italian
proteine del grano isolate

Which foods contain wheat protein isolate?

Open Food Facts lists wheat protein isolate in the ingredients of 782 products, most often biscuits and cakes, bread and pasta, rice and flour. Most of them are sold in the United States, Canada and France.

  • Biscuits and cakes191
  • Bread140
  • Pasta, rice and flour49
  • Ready meals46
  • Pizzas, pies and quiches26
  • Sandwiches17

Products with it, by country of sale: United States 747 · Canada 16 · France 9 · Australia 6.

Counted on 13 October 2026 from the Open Food Facts product database, which volunteers fill from real packs: it shows where wheat protein isolate turns up, not how much of the market it is.

What kind of ingredient is wheat protein isolate?

Wheat protein isolate is a kind of wheat protein.

Bravoora reads this ingredient for everyone you shop for: an allergy or intolerance, a vegan or vegetarian diet, a calorie or protein goal, and the labels on supplements and skincare too. Build a profile · For dietitians, doctors and trainers

Sources

An allergen is stated only when two of three checks agree: the Open Food Facts record, Bravoora’s label checker, and the ingredient’s own name or family (oat flour is oats, a cheese is milk). Every name where they disagree waits for a person to review it.

  1. Open Food Facts: Wheat protein isolate
  2. Open Food Facts: ingredients taxonomy (names, family tree, allergen and vegan flags), ODbL
  3. Open Food Facts: product database, 4,535,553 products, read 13 October 2026, ODbL
  4. European Union: Regulation 1169/2011 on food information to consumers, Annex II
  5. UK Food Standards Agency: Allergen guidance for food businesses (the 14 allergens)
  6. US FDA: Questions and Answers Regarding Food Allergen Labeling, Edition 5 (January 2025)

Contains information from Open Food Facts, which is made available here under the Open Database License (ODbL). Read the licence · Download this dictionary’s data · How we check

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