Fatsecret is a community for people interested in diets. It allows members to share their diets and tips for the benefit of other members.

fatsecret is a place for people interested in diets to come and find out what works. As a helpful and vibrant community we’re all about giving you the information and tools to make better diet decisions. With tips, recipes and plenty of advice from the community, fatsecret is your one-stop-shop for all things diet – the secret is out!

Members can create pages that list the various foods they eat and the amount of each. There are also custom flash graphs that show the weekly average performance of fatsecret members using each specific diet.

There's a section for recipies that provides instructions, an ingredients list, and nutritional details of each ingredient. The section is almost a Cooking For Engineers for people trying ot watch their weight.