Where do you get all the nutritional data in the database and books from?

The information in our database is based on a variety of sources which include:

* US Dept of Agriculture
* Food manufacturers
* Scientific publications
* Food Industry Produce Boards & Councils
* CalorieKing computer extrapolations from food ingredients

Note: All nutritional data is checked by Calorieking dietitians.  Food products and fast-food restaurant data are checked and revised on a regular basis. However, persons who rely on the accuracy of Calorieking nutritional data for clinical or other purposes, should check the websites of food manufacturers to ensure they have the most current information.