American Council on Exercise
A non-profit organization, promotes active lifestyles by setting certification and education standards for personal trainers and group fitness instructors.

Austin Nutritional Research
Includes definitions and other information for vitamins, minerals, amino acids, herbs and other important nutrients.

Find nutritional information for over 50,000 brand name and generic foods, including fast foods. USA’s most comprehensive and up-to-date food database.

Diet and Weight Loss Reviews
Diet reviews and weight loss programs information for all the popular diets, fitness workouts, diet plans and pills.

The Diet Channel
Provides fast weight loss diet solutions. Use our diet personality quiz to help you in losing weight.
A new web site designed to provide simple, useful, no-nonsense answers to common fitness questions.

MedlinePlus Health Information
Health Information from the National Library of Medicine

WebMD Health
Providing credible health information, supportive community, and educational services by blending award-winning expertise in content, community services, expert commentary, and medical review.

Authority Nutrition will help you make informed and logical decisions about your health, based on the best available scientific evidence.