Your tree nut allergy travel card, in the waiter's language

Ordering abroad with a tree nut allergy means trusting a kitchen you can't see, in a language you may not speak. TrustBite puts your specific allergy on a clear card that restaurant staff read in their own language — 24 of them, including Japanese, Chinese, Thai and Arabic — and it works fully offline. Scan a barcode for a green, yellow or red verdict, or photograph a menu and let AI flag the dishes worth questioning.

TrustBite allergen card showing a tree nut allergy warning translated for restaurant staff on a smartphone

Where almonds, cashews and pistachios hide on the road

Tree nuts rarely announce themselves. Almonds turn up ground into marzipan (stollen, Christmas cake, calissons), in frangipane tarts, amaretti and praline fillings. Cashews thicken curry gravies across India and Southeast Asia — korma, makhani and many 'creamy' sauces lean on a cashew paste that never appears on the menu. Pistachios and pine nuts run through Middle Eastern baklava, kunafa, Turkish delight and dolma, while pesto packs pine nuts (and sometimes cashew or walnut) into pasta, sandwiches and dressings. Walnuts and hazelnuts hide in salads, brownies, gelato, chocolate spreads and coffee syrups. Even a 'nut-free' dish can be fried in nut oil or dusted with the same chopped garnish — which is exactly the detail a translated card lets you ask about.

How TrustBite speaks for you when you can't

Set your profile once for tree nuts — and, if you react to specific nuts, note them — then hand your phone across the counter. Staff see a card that names your allergy, explains cross-contamination and asks the right questions in their language, so nothing is lost between 'no nuts' and 'no problem'. In a shop, scan a barcode against the Open Food Facts database for an at-a-glance green/yellow/red read. At the table, use AI photo analysis on a plate or AI menu scanning to surface likely nut sources before you order. The card covers all 14 EU-regulated allergens with severity levels, and your emergency (ICE) contact sits right on it — useful whether you're online or deep in a rural region with no signal.

Pack it alongside your usual precautions

A translated card sharpens the conversation; it doesn't replace it. Before you fly, learn the words for 'tree nut', 'almond', 'cashew' and 'pistachio' in your destination's language as a backup, and carry a chef card for buffets where staff change mid-service. Keep your prescribed medication — including any adrenaline auto-injector — on you, not in checked luggage, and know the local emergency number. Use TrustBite to make yourself understood quickly and consistently, then confirm every dish directly with the kitchen. It's free to start, with optional Pro for unlimited scans and full AI analysis.

FAQ

Does the tree nut allergy card work without internet?

Yes. The allergen card displays in all 24 languages fully offline, so you can show it to restaurant staff even with no signal or roaming. Barcode scanning and AI menu analysis need a connection, but the card itself never does.

Which languages can staff read my allergy in?

TrustBite shows your card in 24 languages, including Japanese, Chinese, Thai and Arabic, plus major European languages — covering most places a tree nut allergy traveller is likely to eat out.

Can it catch hidden nuts like cashews in curry or almonds in marzipan?

The barcode scanner checks packaged products against Open Food Facts, and AI menu and photo analysis flag likely nut sources such as cashew-based curry sauces, pesto or marzipan desserts. Treat these as prompts to question the kitchen, not as a guarantee — always confirm with staff.

Is TrustBite a medical device?

No. TrustBite is an aid to help you communicate and check foods, not a medical device or diagnostic tool. Always verify dishes with restaurant staff, carry your prescribed medication, and call emergency services if you have a severe reaction.

TrustBite is an aid to help you communicate a tree nut allergy and check foods — it is not a medical device and does not diagnose, treat or guarantee anything. Allergen data, translations and AI analysis can be incomplete or wrong, so always verify every dish directly with restaurant staff before eating. Carry your prescribed medication, including any adrenaline auto-injector, and call your local emergency services immediately if you experience a severe allergic reaction.

This is your allergy card

Show it to restaurant staff – offline, in 24 languages.

This is your allergy card – TrustBite