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tree nuts — What It Is, Where It Hides, and How to Avoid It

Everything you need to know about tree nuts — where they're found, common symptoms, hidden sources, and how Allerwise helps you avoid them.

Allergen Details


| What is tree nuts?

Tree nuts include almonds, walnuts, hazelnuts, cashews, pistachios, pecans, Brazil nuts, and macadamias. They are botanically distinct from peanuts, and an allergy to one tree nut does not always mean allergy to all.

| Where is tree nuts found?

Tree nuts are in pesto, marzipan, baked goods, granola, breakfast cereal, energy bars, vegan cheeses and milks, ice cream, and many Asian, Middle Eastern, and Mediterranean dishes.

| Common symptoms of tree nuts allergy

Reactions range from oral itching and hives to vomiting, breathing difficulty, and anaphylaxis. Tree nut allergy is usually lifelong and is one of the most common triggers of severe food reactions.

| How Allerwise helps you avoid tree nuts

Allerwise checks for every common tree nut and its derivatives — including butters, flours, and milks — and warns you about cross-contamination warnings on the label.

Avoid tree nuts with Allerwise

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

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