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Ingredient dictionary

Mustard sauce on a food label: it contains mustard

Mustard sauce is a kind of mustard. It contains mustard, so the allergen labelling rules apply. Whether it is vegan depends on how it was made. Open Food Facts finds it in 171 products, most often in sandwiches.

By Bravoora teamUpdated Sources checked 6 sourcesHow we check

Not for you

for a mustard allergy profile

Mustard sauce=mustard

Does mustard sauce contain an allergen?

Yes. Mustard sauce contains mustard: labels in the UK, Europe and the Gulf must declare it; in the US it is not a listed allergen. It is made to a recipe, so any other allergen in it must be named on the label too.

AllergenUSUK and EuropeGulf
MustardNot requiredRequiredRequired

Read the mustard guide

Is mustard sauce vegan?

It depends on the make. Some kinds of mustard sauce are made with an animal product and a label rarely says which, so a vegan profile gets Heads up. Whether it is vegetarian depends on the make too.

VeganHeads upSome kinds are made with an animal product, and a label rarely says which.
VegetarianHeads upSome kinds are made with an animal product vegetarians avoid, and a label rarely says which.
Mustard allergyNot for youIt contains mustard.

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

What other names does mustard sauce have on a label?

On European labels it is “sauce moutarde” in French, “salsa di senape” in Italian and “sos musztardowy” in Polish. One more language is listed below.

French
sauce moutarde
Italian
salsa di senape
Polish
sos musztardowy
Croatian
umak od senfa

Which foods contain mustard sauce?

Open Food Facts lists mustard sauce or a more specific kind of it in the ingredients of 171 products, most often sandwiches, ready meals and meat. Most of them are sold in France, Belgium and Switzerland.

  • Sandwiches52
  • Ready meals34
  • Meat13
  • Oily fish11
  • Fish and seafood7
  • Dressings and sauces5

Products with it, by country of sale: France 126 · Belgium 18 · Switzerland 13 · United States 12.

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

What kind of ingredient is mustard sauce?

In the Open Food Facts ingredient tree, mustard sauce sits under mustard and sauce.

Kinds of mustard saucePrepacked mustard sauce

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: Mustard sauce
  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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