Wikipedia
CalorieKing is an online weight loss club and software developer with a program centred on healthy eating and exercise ("calories in, calories out"). The company offers products and services tailored specifically for the United States and Australian markets. As well as offering help for people who wish to lose weight, there are also programs and support for those who want to maintain their current weight, or to gain weight. The web sites' resources also include forums, and an extensive library of recipes and health and weight loss related articles contributed by company staff as well as other organisations and contributors.
In addition to its web site, the company also produces personal computer software and several popular books. Many of its products are based on the CalorieKing food database, which claims to contain over 50,000 foods in the American version and 19,000 foods in the Australian version.