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Ingredient dictionary

Deactivated yeast on a food label: allergens, diets and other names

Deactivated yeast is a kind of yeast. It is not one of the allergens that labels must declare. It is vegan. Open Food Facts finds it in 1,933 products, most often in bread.

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Does deactivated yeast contain an allergen?

Deactivated yeast is not one of the allergens that food labels must declare in the US, the UK, Europe or the Gulf. Open Food Facts does not link it to an allergen, and Bravoora’s label checker does not read the name as one.

Is deactivated yeast vegan?

Yes. Deactivated yeast 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.

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

What other names does deactivated yeast have on a label?

On European labels it is “levure inactivée” in French, “inaktivierte Hefe” in German and “levadura inactiva” in Spanish. The other 6 languages are listed below.

French
levure inactivée, levure désactivée
German
inaktivierte Hefe, inaktiveirte Hefe
Spanish
levadura inactiva
Italian
lievito inattivo
Dutch
gedeactiveerde gist
Polish
drożdże nieaktywne, nieaktywne drożdże
Swedish
inaktiv jäst
Czech
inaktivované kvasnice, inaktivované sušené kvasnice
Croatian
deaktivirani kvasac

Which foods contain deactivated yeast?

Open Food Facts lists deactivated yeast or a more specific kind of it in the ingredients of 1,933 products, most often bread, pastries and pasta, rice and flour. Most of them are sold in France, the United Kingdom and the United States.

  • Bread482
  • Pastries381
  • Pasta, rice and flour203
  • Pizzas, pies and quiches152
  • Biscuits and cakes152
  • Sandwiches94

Products with it, by country of sale: France 1,476 · United Kingdom 157 · United States 128 · Belgium 51.

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

What kind of ingredient is deactivated yeast?

Deactivated yeast is a kind of yeast.

Kinds of deactivated yeastDeactivated yeast flake

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: Deactivated yeast
  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

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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