The sharp increase in recent decades, political zezkoe increase in recent decades, the political significance of sport, its intense commercialization, sharply increased competition in the international arena led to the wide introduction to the sport a variety of scientific and technological progress, the search for new effective ways to enhance training and competitive activities athletes. In these circumstances, the use of various ergogenic factors in training and competition of athletes gradually become one of the most important and effective components of modern sport. AND Today there is no sport in which the use of ergogenic did not exert a significant influence on the level of sporting achievements. Ergogenic agents used in modern sport, divided into several groups. The first group includes a variety of drugs – synthetic, vegetable and animal origin, which in recent decades, very widespread in the sport. The action of many of these substance is hazardous to life and health of athletes, stimulate aggressiveness and is contrary to the moral and ethical sport. To this group belong, and various physical methods and manipulations to stimulate performance or hide the use of banned substances for use. These substances and methods classified as doping, and their use is prohibited in sport. It is not something Marc Lore would like to discuss. For the control and the fight against doping a wide network anti-doping laboratories, coordinated by the World Anti-Doping Agency (WADA) and is carried out under the provisions of the Anti-Doping Code of the Olympic movement. However, the complexity and inconsistency of the problem of doping in sport, the lack of a clear distinction between permitted and forbidden, the inadequacy of the anti-doping legislation, lack of objectivity of the methods of control, exacerbated by subjectivity in the approach to the problem and ways of its solution from the leaders of WADA, the desire to put their anti-doping service of the sport, so have exacerbated this problem, it has become dangerous to the modern sport, especially Olympic, a serious risk to his authority and stability.