Data sources and attribution

USDA FoodData Central (Public Domain)

Core generic food composition data is sourced from the U.S. Department of Agriculture (USDA), Agricultural Research Service, FoodData Central (Foundation Foods and SR Legacy datasets). USDA FoodData Central data is in the public domain under CC0 1.0 Universal.

Open Food Facts (ODbL Attribution)

Branded and international product nutrition data is sourced from Open Food Facts, an open collaborative database of food products. Open Food Facts data is made available under the Open Database License (ODbL 1.0) by Open Food Facts contributors.

Retail Store Product Records

Where a product is not yet covered by USDA FoodData Central or Open Food Facts, factual nutrition label values may be recorded from a retail store listing. Each such product page explicitly names the retail store source and the date the nutrition facts were retrieved.

Medical and Dietary Disclaimer

All content on Nutritionizm is provided for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment. Nutrient values can vary by variety, season, brand formulation, and preparation method. Always consult a qualified physician or registered dietitian regarding specific health conditions or dietary changes.