Data sources

Last updated 18 October 2026

USDA FoodData Central

Generic food values come from the U.S. Department of Agriculture's FoodData Central (Foundation Foods, SR Legacy and FNDDS), which is in the public domain.

Open Food Facts

Packaged-product data comes from Open Food Facts (openfoodfacts.org), made available under the Open Database License (ODbL). Product values are contributed by the community from labels and may contain errors.

AI estimates

Meal-photo estimates are generated by an AI model (Anthropic Claude) and validated by our server before you see them. They're approximate.