Sports nutrition is a broad interdisciplinary field that involves dietitians, biochemists, exercise physiologists, cell and molecular biologists, and occasionally psychotherapists. It has both a basic science aspect that includes such concerns as understanding the body’s use of nutrients during athletic competition and the need for nutritional supplements among athletes; and an application aspect, which is concerned with the use of proper nutrition and dietary supplements to enhance an athlete’s performance. The psychological or psychiatric dimension of sports nutrition is concerned with eating and other mental disorders related to nutrition among athletes.

Some persons who specialize in the field of sports nutrition are registered dietitians (RDs) who have pursued a master’s or other advanced degree in the field of exercise physiology; the American Dietetic Association (ADA) has a dietetic practice group or DPG for sports nutritionists called Sports, Cardiovascular, and Wellness Nutritionists (SCAN), which has its own website and telephone contact number. Most academic sports nutritionists, however, hold doctoral

The International Society of Sports Nutrition is the only non-profit academic society dedicated to promoting the science and application of evidence-based sports nutrition and supplementation.

 

The American Society for Nutrition (ASN) is a non-profit organization dedicated to bringing together the world’s top researchers, clinical nutritionists and industry to advance our knowledge and application of nutrition for the sake of humans
Sports Dietitians Australia (SDA) is a professional organisation of dietitians specialising in the field of sports nutrition.
 http://www.sportsdietitians.com.au/
Breaking News on Supplements & Nutrition – Europe – http://www.nutraingredients.com/
Since its launch in 2003, Nutrition Data has grown into one of the most authoritative and useful sources of nutritional analysis on the Web. In July 2006, Nutrition Data was acquired by CondéNet,

Published since 1928, The Journal of Nutrition (JN) was the first scientific journal created solely for publication of nutrition research. Contents include peer-reviewed research reports on all aspects of experimental nutrition, critical reviews, commentaries, and symposium and workshop proceedings.
Sportsoracle provides educational and consulting services in the sport and exercise sciences. sportsoracle also provides advice and consulting services to various sporting and commercial bodies.
This site offers access to various resources in sport and exercise nutrition. Most are free of charge.
http://www.sportsoracle.com/home
AIS Sports Nutrition delivers a world-class sports nutrition service to AIS sports and national teams. Our website features a wide range of resources to assist elite athletes, recreational athletes and the general public stay up to date with the latest strategies in sports nutrition.
Sports Nutrition Insider Dedicated to covering the latest news in sports nutrition.
American Dietetic Association – Whether you are a competitive athlete or just enjoy working out, what you eat will affect your performance. An eating strategy can support your training, performance and overall health.
CyberDiet (nutrition information site operated by a registered dietitian)

http://www.cyberdiet.com/ 

Sports Nutrition Vlog by Matt Lovell – Elite Sports Nutritionist
http://www.sportsnutritionvlog.com/ 
Supplements Information And Nutritional Tips
http://www.sportsnutritionguide.net/sportnutritionblog/ 
Nutrition Tips for Coaches from Dietitians – Coach Canada
http://www.coach.ca/nutrition-tips-for-coaches-from-dieticians-s13426
The Bridge2Food company was founded in 2002 to provide research & consultancy services in fast-moving consumer categories. In recent years, international recognition has led to us developing the Protein Innovation Network (PIN) for the food industry as well as in specific food categories, such as sport & performance nutrition, healthy & nutritional bars, and summits, conferences and courses on food for school children, and seminars geared to elderly people.
Reliable information about the use, effectiveness, safety, and quality of dietary supplements. Includes fact sheets for health professionals and consumers, answers to common questions, and tips to help you choose and use dietary supplements wisely
 Sports Nutrition! Strive to bring you the most up-to-date information and top quality products for sports nutrition and nutrition
http://www.nutrifit.org/
Sports Nutrition! Strive to bring you the most up-to-date information and top quality products for sports nutrition and nutrition
http://www.nutrifit.org/
Tips and expert advice for nutrition and hydration needs for athletic performance.@ About.com
Sports drinks can be split into three major types.
  • Isotonic sports drinks contain similar concentrations of salt and sugar as in the human body.
  • Hypertonic sports drinks contain a higher concentration of salt and sugar than the human body.
  • Hypotonic sports drinks contain a lower concentration of salt and sugar than the human body.