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mustard — What It Is, Where It Hides, and How to Avoid It

Everything you need to know about mustard — where it's found, common symptoms, hidden sources, and how Allerwise helps you avoid it.

Allergen Details


| What is mustard?

Mustard is made from the seeds of the mustard plant. It comes as whole seeds, ground powder, prepared paste (Dijon, English, American, wholegrain), and as a binder in dressings and sauces.

| Where is mustard found?

Mustard is obvious in mustard sauce, but also hides in mayonnaise, salad dressings, marinades, processed meats, sausages, curry powder, pickles, and many ready meals.

| Common symptoms of mustard allergy

Mustard allergy is rare but reactions can be severe: hives, swelling, breathing difficulty, anaphylaxis. Even small amounts in salad dressing can trigger a reaction.

| How Allerwise helps you avoid mustard

Allerwise spots mustard, mustard seed, mustard powder, and mustard oil in the ingredient list and warns about cross-contamination on the label.

Avoid mustard with Allerwise

Identifying mustard in food products can be challenging and time-consuming. Allerwise makes this process simple and reliable.

  • Instantly scan product barcodes to check for mustard
  • Get immediate alerts for mustard and potential cross-contamination
  • Keep a history of scanned products for future reference
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