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Effect of hydrogen inhalation on functional characteristics and intestinal gas biomarkers in wrestlers during physical exercise

Oleg S. Medvedev, Aleksey A. Uzhakov, Olga L. Konnova, Oxana V. Povarova

Sportivnaya meditsina: nauka i praktika (Sports medicine: research and practice) · 2025 · 15(2) · 20–30

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Abstract

Purpose of the study: to investigate the effect of periodic hydrogen inhalations for one month on the main performance characteristics, lactate levels and other biochemical parameters determined in the blood of young wrestlers after physical activity. Materials and methods. 10 healthy volunteer athletes took part in a prospective clinical study. The analysis of hydrogen and methane levels in exhaled air, complete blood count and biochemical blood parameters, physiological parameters of the cardiovascular system, the main performance characteristics after physical activity before and after hydrogen inhalations were carried out. Results. Hydrogen inhalations led to a decrease in the methane level in the exhaled air mainly of methane producers. A decrease in alkaline phosphatase, an increase in thrombin time, activated partial thromboplastin time, a decrease in lactate levels before exercise with an increase after exercise were noted. No changes were found in the complete blood count. A decrease in diastolic blood pressure at the aerobic threshold and anaerobic threshold with an increase in the respiratory coefficient was noted in the treadmill test. An increase in the distance covered in 2 minutes, as well as a faster recovery of systolic blood pressure at the 5th minute were found in the rowing machine test. Conclusion. The obtained data indicate a positive effect of hydrogen inhalation on the blood coagulation and cardiovascular system, alkaline phosphatase, which makes an important contribution to improving performance and endurance during physical exercise in athletes.

Study details

Article type
Original Research
Disease / injury model
Exercise-induced physiological changes in athletes
Duration
1 months
Dose-dependent effect
No
Outcome
Positive
Findings
Hydrogen inhalation for one month in young athletes led to a significant decrease in exhaled methane (especially in methane producers), reduced alkaline phosphatase, increased thrombin and activated partial thromboplastin time, decreased pre-exercise lactate (with increased post-exercise lactate), and improved cardiovascular and performance parameters (lower diastolic blood pressure at aerobic/anaerobic thresholds, increased distance in rowing test, faster systolic BP recovery). No adverse effects or changes in complete blood count were observed.

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Organs & Tissues
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