General Nutrition:
American Dietetic Association
Center for Science in the Public Interest
National Institute of Health
USDA
My Pyramid.gov
Medline Plus
Food and Nutrition Information Center

Sports Nutrition:
The American Dietetic Association - SCAN
Runners World
American Council for Exercise

Diabetes:
The American Diabetes Association
Diabetic Cooking

Food Allergies:
The Food Allergy Network
Gluten Intolerance Group
National Institute of Allergy and Infectious Diseases

Cooking:
Cooking Light
The World’s Greatest Recipe Collection

Vegetarian:
Vegetarian Resource Group
Vegetarian Times
Veggie Life