- USDA National Nutrient Database
- Food Composition Databases (Food Standards Australia New Zealand - FSANZ)
- Canadian Nutrient File (CNF)
- UK McCance and Widdowson’s Composition of Foods Integrated Dataset (CoFID)
- European Food Information Resource (EuroFIR)
- Swedish Food Agency (Livsmedelsverket) - Food Composition Database
- National Food Composition Tables - South Africa
- Fineli (Finnish National Food Composition Database)
- Australia's Glycemic Index Foundation
- Nutrient Data Laboratory (USDA)
- Nutrition Facts, Information & Guides
- Australian Food Composition Database
- INFOODS (FAO International Network of Food Data Systems)
- New Zealand Food Composition Database
- Swiss Food Composition Database
- Glycemic Index Foundation
- University of Sydney Glycemic Index Database
- USDA FoodData Central
- International Tables of Glycemic Index and Glycemic Load Values
- Dietary Guidelines for Americans (DGA) - USDA
- Open Food Facts
- Glycemic Index Load (GI & GL) Database
- GI Database - Diogenes (Diet, Obesity and Genes)
- NutriData (South African Database)
- Dietitians of Canada - Food & Nutrition Database