Ingredient dictionary

Hydrolysed soy protein on a food label: it contains soy

Hydrolysed soy protein is a kind of hydrolysed vegetable protein. It contains soy, so the allergen labelling rules apply. It is vegan. Open Food Facts finds it in 4,264 products, most often in ready meals.

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Hydrolysed soy protein=soy

Does hydrolysed soy protein contain an allergen?

Yes. Hydrolysed soy protein contains soy: labels in the US, the UK, Europe and the Gulf must declare it.

AllergenUSUK and EuropeGulf
SoybeansRequiredRequiredRequired

Read the soy guide

Is hydrolysed soy protein vegan?

Yes. Hydrolysed soy protein 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.
Soy allergyNot for youIt contains soy.

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

What other names does hydrolysed soy protein have on a label?

In English hydrolysed soy protein can also read “hydrolyzed soy protein”. On European labels it is “protéine de soja hydrolysée” in French, “Sojaproteinhydrolysat” in German and “proteína de soja hidrolizada” in Spanish. The other 7 languages are listed below.

In Englishhydrolyzed soy protein
French
protéine de soja hydrolysée, protéines de soja hydrolysées
German
Sojaproteinhydrolysat
Spanish
proteína de soja hidrolizada
Italian
proteine di soia idrolizzate
Dutch
gehydroliseerd soja-eiwit, gehydrolyseerd soja-eiwit
Polish
hydrolizat białka sojowego, hydrolizowane białko sojowe
Swedish
hydrolyserat sojaprotein
Danish
hydrolyseret sojaprotein
Finnish
soijaproteiinihydrolysaatti
Hungarian
hidrolizált szójafehérje

Which foods contain hydrolysed soy protein?

Open Food Facts lists hydrolysed soy protein in the ingredients of 4,264 products, most often ready meals, dressings and sauces and pasta, rice and flour. Most of them are sold in the United States, France and Canada.

  • Ready meals647
  • Dressings and sauces460
  • Pasta, rice and flour229
  • Processed meat185
  • Savoury snacks155
  • Meat152

Products with it, by country of sale: United States 3,298 · France 210 · Canada 169 · Netherlands 168.

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

What kind of ingredient is hydrolysed soy protein?

In the Open Food Facts ingredient tree, hydrolysed soy protein sits under hydrolysed vegetable protein and soy 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: Hydrolysed soy protein
  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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