--- title: "Allergens and Special Diets" slug: "allergener-och-specialkost" updated: 2025-11-06T09:54:25Z published: 2025-11-06T09:54:25Z canonical: "support.yabie.com/allergener-och-specialkost" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.yabie.com/llms.txt > Use this file to discover all available pages before exploring further. # Allergens and Special Diets With the **Allergens & Special Diets** feature, you can clearly show which ingredients and diets apply to each product. This makes it easier for staff to manage allergies, reduces the risk of mistakes, and provides guests with a safer experience. --- ## How it works You can mark your products with the allergens and special dietary options that correspond to the content of the dish. You can also use it to inform the kitchen when a guest wants a dish to be customized. All information is automatically displayed at the checkout, on kitchen screens (KDS), kitchen order tickets and receipts. #### Predefined allergens Gluten, seafood, eggs, fish, peanuts, soybeans, milk, tree nuts, celery, mustard, sesame, sulfur dioxide, lupine, mussels, bee pollen. #### Predefined special diet options Vegetarian, Vegan, Halal, Kosher, Dairy-Free, Gluten-Free, Nut-Free, Soy-Free, Lactose-Free. --- ## How to set up the feature #### Activate the feature In the Backstage, go to Merchants → Settings → Enable "Allergens and Special Diet Features #### Put **Allergens and Special Diets on your products** You can connect allergens and special diets to your products both via Backstage and in the app. **Backstage-** Product catalogue → Select product → Allergens & special diets → Add allergens & special diets → Save **App-** Touch and hold the product → Change → Allergens & Special Diets → Enter values and save. You can also mark products as **"No allergens"** if they don't contain any of the predefined allergens. The product will then be marked as Allergen-free. --- ## How to use the checkout function When enabled, you can: #### Add allergy or special diet requests - **At article level:** From the product's detail view, select an option from the list or type a free text. - **At the order level:** Select the **More Choices option → Allergy Preferences** or use the function button if it is enabled. #### See allergy and special diet information All information is automatically displayed in: - Cart - KDS - kitchen order tickets - Receipts and bills - Order history - Parked orders - The product view in the app and Backstage