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Ingredient dictionary

Soy fiber on a food label: it contains soy

Soy fiber is a kind of vegetable fiber. It contains soy, so the allergen labelling rules apply. It is vegan. Open Food Facts finds it in 600 products, most often in bread.

By Bravoora teamUpdated Sources checked 6 sourcesHow we check

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for a soy allergy profile

Soy fiber=soy

Does soy fiber contain an allergen?

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

AllergenUSUK and EuropeGulf
SoybeansRequiredRequiredRequired

Read the soy guide

Is soy fiber vegan?

Yes. Soy fiber 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 soy fiber have on a label?

On European labels it is “fibres de soja” in French, “Sojafaser” in German and “fibra de soja” in Spanish. The other 6 languages are listed below.

French
fibres de soja
German
Sojafaser
Spanish
fibra de soja
Italian
fibre di soia
Dutch
sojavezel
Portuguese
fibra de soja
Polish
błonnik sojowy, błonnik z soi
Finnish
soijakuitu
Croatian
sojina vlakna

Which foods contain soy fiber?

Open Food Facts lists soy fiber or a more specific kind of it in the ingredients of 600 products, most often bread, ready meals and oily fish. Most of them are sold in the United States, France and Mexico.

  • Bread55
  • Ready meals46
  • Oily fish41
  • Biscuits and cakes39
  • Sweetened drinks37
  • Processed meat21

Products with it, by country of sale: United States 247 · France 139 · Mexico 54 · Spain 33.

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

What kind of ingredient is soy fiber?

Soy fiber is a kind of vegetable fiber.

Kinds of soy fiberRehydrated soy fiber

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: Soy fiber
  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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