They are designed to optimize the metabolism in the athlete’s body so that everything necessary from food and dietary supplements is qualitatively absorbed without turning into body fat. Of the twenty-two amino acids necessary for proper metabolism, nine are essential. That is, they cannot be synthesized by the body on their own, but must come with food. In order to ensure that the athlete has them, they produce amino acid concentrates in liquid form or in capsules.

A complex of three essential amino acids: leucine, isoleucine and valine. It is used not only as a stimulant of efficient metabolism leading to an increase in muscle mass. BCAA is also accepted as an additional source of energy for high-quality training, since this complex actually significantly adds strength.