BLS attribution: Max Rubner-Institut (2025): Bundeslebensmittelschlüssel (BLS), Version 4.0 — Deutsche Nährstoffdatenbank. Karlsruhe.
DOI: https://doi.org/10.25826/Data20251217-134202-0
License: Creative Commons Attribution 4.0 International (CC BY 4.0).
https://creativecommons.org/licenses/by/4.0/legalcode
Changes: subset of nutrient columns, normalized search names, validated numeric values, localized display names truncated to 200 characters, portion calculations in the app.

Swiss Food Composition Database (Schweizer Nährwertdatenbank), Version 7.1 (01.07.2026), Federal Food Safety and Veterinary Office (FSVO/BLV), Bern. https://naehrwertdaten.ch/
Terms: opendata.swiss "Open use. Must provide the source. Use for commercial purposes allowed."
https://opendata.swiss/en/terms-of-use#terms_by
Changes: generic foods only (branded products excluded), subset of nutrient columns, traces and values below the detection limit as 0 g, foods already present in BLS skipped, normalized search names, portion calculations in the app.

Open Food Facts contributors: https://world.openfoodfacts.org/
Database: Open Database License (ODbL) 1.0.
https://opendatacommons.org/licenses/odbl/1-0/
Individual contents: Database Contents License (DbCL) 1.0.
https://opendatacommons.org/licenses/dbcl/1-0/
Changes: Austria/Germany/Switzerland subset; invalid, obsolete, ambiguous-unit and incomplete products excluded; nutrition and names projected into a SQLite search catalog. No product images included.

The downloadable combined adapted catalog is offered under ODbL 1.0, with the BLS component retaining its CC BY 4.0 attribution and license and the Swiss Food Composition Database component retaining its source attribution. Source snapshots and checksums are recorded in manifest.json. Transformation scripts are available alongside the database, under MIT (see scripts/catalog/LICENSE).
No diary records or user search queries are included in these downloads.
