There was investigated a possibility of correcting the functional status and working ability of qualified runners by the use of natural adaptogen Omega-3 of polyunsaturated fatty acids. It was found that the use of Omega-3 increased the total heart rate variability, improved balance between the links of the autonomic nervous system, optimized the value of stress index and the index of centralization, increased the power spectrum in the VLF-range, reflecting the mobilization of energy reserves and metabolic function under conditions of maximum impact.
