Autonomic Cardiac Regulation in Response to Exercise and Molecular Hydrogen Administration in Well-Trained Athletes
Botek Michal, Krejčí Jakub, Sládečková Barbora, McKune Andrew · Advances in Biochemistry in Health and Disease · 2024
Research-use notice
Independent study record
Each H2HUBB study page organizes source-linked research details for educational use. Interpretation should remain proportional to the study design, population, controls, and limitations.
H2HUBB TAKEAWAY
Two randomized crossover experiments included 12 fin-swimmers and 12 soccer players. The experiments showed selected changes in heart-rate-variability or heart-rate-recovery measures in the study-specific settings. The small acute studies were not designed to establish broad performance, recovery, cardiovascular, or disease-treatment benefits.
How Molecular Hydrogen Was Used
Athletes received the chapter's molecular-hydrogen intervention or placebo around acute exercise protocols, followed by autonomic cardiac measurements.
How the Study Was Conducted
The chapter reports two randomized, double-blind, placebo-controlled crossover experiments, one in 12 fin-swimmers and one in 12 soccer players.
What the Researchers Found
Selected heart-rate-variability and heart-rate-recovery responses differed by intervention in the study-specific exercise settings, with results varying across the two small athlete groups.
Study Limitations
Each experiment included only 12 well-trained athletes, assessed acute responses, and used sport-specific protocols. The chapter format and small samples limit precision and generalizability.
H2HUBB Evidence Boundary
This chapter reports two small acute crossover experiments in trained athletes. It does not establish a general athletic-performance advantage, long-term cardiovascular benefit, or treatment effect in patients.