Sports nutrition (sports nutrition) - in the broad sense of the word - is the nutrition of athletes in general, in the narrow sense of the word - this is a special group of food supplements produced mainly for people leading an active lifestyle, involved in sports and fitness and professional athletes, in preparation for competitions.

Reception of sports nutrition is aimed primarily at supplementing the diet with all the necessary micro and macro elements that a person does not receive from natural food products, to improve sports results, increase strength and endurance, improve health, increase muscle volume, normalize metabolism, and achieve optimal body weight and generally aimed at increasing the quality and duration of life.

In Russia, sports nutrition is referred to as dietary supplements. Sports nutrition is developed and manufactured on the basis of scientific research in various fields, for example, in such as physiology and dietetics, and most often it is a carefully selected concentrated mixture of basic nutritional elements, specially processed for the best absorption by the human body. Compared to regular food, sports supplements require minimal digestive time and effort for breakdown and absorption, while many types of sports nutrition are high in energy value.

Sports nutrition falls into the category of supplements, since its correct use is an addition to the main diet, consisting of conventional products, and not a complete replacement for them.

The vast majority of sports nutrition products have nothing to do with doping.

Sports nutrition is also understood as the use of conventional products, organized in such a way as to solve the main tasks of a particular sport.