The role of sports nutrition in sports: training can evaluate, manage and guide the nutritional status and dietary nutrition of human body; Carry out dietary nutrition guidance to prevent common diseases and chronic diseases related to nutrition; Application-oriented higher vocational and technical personnel with the ability of investigation and analysis of dietary nutrition status and development, design and evaluation of nutritious food.

Sports nutrition is a branch of nutrition and the application of nutrition in sports practice, so some people call sports nutrition applied nutrition or special nutrition. The energy supply of athletes is the most direct factor affecting their sports ability. Some research techniques on energy metabolism mostly use isotope double standard water method, and the results are different from the energy intake value of dietary survey.

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Since the importance of sports nutrition supplement to sports ability and level has been recognized more and more, sports nutrition courses have been offered in various sports colleges since the 1980s. The team of sports nutrition professionals is also growing.

In the past 20 years, the competitive level of China has been rapidly improved, and it has achieved excellent results in various world competitions. The application and guidance of sports nutrition knowledge and methods have played an irreplaceable role. With the progress of society and the vigorous development of sports, sports nutrition will surely achieve greater development and make greater contributions to guiding social civilization, promoting people's health and improving national quality.