The purpose of the study is to analyze the relationship between PWC 170 test indicators and the use of the dietary supplement KSB-80 in qualified female basketball players. Research methods and organization. Methods of analysis and generalization of scientific and methodological literature, pedagogical experiment, and methods of mathematical statistics were used. The studies were conducted in two stages: before the start of dietary supplement intake in November and after the completion of the intake course in December 2025. Research results and conclusions. The obtained data showed that after taking the dietary supplement, there was a significant change in heart rate values, indicating increased endurance and improved recovery processes in the body. A substantial increase in metabolic units, maximum oxygen consumption, and muscle intensity index was identified. Correlation analysis revealed close relationships between heart rate indicators, indicating the stability of cardiovascular responses to high competitive loads. The correlation between metabolic and cardiorespiratory indicators confirms high energy expenditure, efficiency of oxygen delivery to tissues, and the maintenance of prolonged physical activity in female basketball players after consuming a high-protein shake. The study results confirm the effectiveness of using dietary supplements in the competitive process of female basketball players and may serve as a basis for further research in sports medicine and nutrition science.
Sedochenko et al. (Tue,) studied this question.
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