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Amateur Bodybuilding Association Sponsors natural bodybuilding competition. Information including list of banned substances, rules and regulations, and judging criteria. http://www.naturalbodybuilding.com/
Australasian Natural Bodybuilding The official website of the A.N.B. giving information on results, competitions, rules, banned drugs and contact information. http://www.anb.com.au/
The Exercise Group Official site of World Natural Bodybulding Federation (WNBF)and International Natural Bodybuilding Federation (INBF), with a variety of drug-free exercise information. http://www.exercisegroup.com/
NABBA International Official site of the National Amateur Body Builders Association (NABBA) International. News and information on Mr. Universe, Ms. Universe and other contests. http://www.nabba-international.org/
NABBA USA Information about the association, including codes of ethics, rules and regulations, and contest schedules. http://www.nabba.com/
National Gym Association, Inc. Personal fitness certification course and natural bodybuilding and fitness shows for men and women including professional and amateur athletes. http://www.nationalgym.com/
National Physique Committee (NPC) Governing body of amateur bodybuilding and fitness for the IFBB. Contains contest schedules, rules and guidelines, news and shopping. http://www.getbig.com/info/npc.htm
OCB The Organization of Competitive Bodybuilders. North American drug-free bodybuilding, fitness and figure competitions and information. http://www.theocbwebsite.com
United States Bodybuilding Federation Offers natural athletes the opportunity to compete in local, regional and national bodybuilding competitions. Contains events, gallery and rulebook. http://www.usbf.net/
World Natural Sports Sponsors drug-tested and televised bodybuilding comptetions across the country. Includes policies, membership information, news and event schedule. http://www.worldnaturalsports.com/