Short-term H2 inhalation improves running performance and torso strength in healthy adults.
Dejan Javorac, Valdemar Stajer, Laszlo Ratgeber, Jozsef Betlehem, Sergej Ostojic · Biology of sport · 2019
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
In conclusion, breathing 4% gaseous hydrogen for 20 min/day for 7 days resulted in increased peak running velocity and attenuated the drop in maximal isometric strength of trunk muscles in a cohort of healthy, physically active young men and women. These findings add human evidence supporting molecular hydrogen's therapeutic potential across the specific human outcomes evaluated in this study.
What the Findings Mean
H2HUBB reviewed how inhaled hydrogen gas affected the outcomes measured in 10 participants. In conclusion, breathing 4% gaseous hydrogen for 20 min/day for 7 days resulted in increased peak running velocity and attenuated the drop in maximal isometric strength of trunk muscles in a cohort of healthy, physically active young men and women.
What the Researchers Studied
The researchers studied 10 participants. The study used a randomized, double-blind, placebo-controlled, crossover human clinical trial. The comparison condition was placebo.
What Effects Did Molecular Hydrogen Have?
Source-reported hydrogen exposure: 45 mL/min H₂ flow; reported treatment duration: 7 days. In conclusion, breathing 4% gaseous hydrogen for 20 min/day for 7 days resulted in increased peak running velocity and attenuated the drop in maximal isometric strength of trunk muscles in a cohort of healthy, physically active young men and women. Although the exact mechanism of H₂ action remains to be elucidated, the acute ergogenic effects of hydrogen might be due to its strong antioxidative power and buffering capacity that could counterbalance exercise-induced changes in metabolism [ 19 ]. more studies are highly warranted to identify the exact mechanism underlying the ergogenic effects of inhalational hydrogen, using randomized-controlled design for long-term and well-powered trials that include advanced physiological, metabolic and genomic profiling.
Why These Findings Matter
These findings add human evidence supporting molecular hydrogen's therapeutic potential across the specific human outcomes evaluated in this study and contribute to the growing body of molecular-hydrogen research.
How Strong Is This Evidence?
This is human clinical evidence from a randomized, double-blind, placebo-controlled, crossover human clinical trial. H2HUBB interprets the findings in the context of the study design, sample, comparator, and measured outcomes rather than using one publication as a verdict on hydrogen therapy.
Technical Study Details
H2HUBB classifies this publication as human clinical study with human clinical evidence. The research population or model was 10 participants. The reported sample size was 10. The study used a randomized, double-blind, placebo-controlled, crossover human clinical trial. The hydrogen delivery method was inhaled hydrogen gas. The source-reported hydrogen exposure was 45 mL/min H₂ flow. The reported treatment duration was 7 days.
Limitations and Safety
Reported limitations: Although the authors' pilot study provided early evidence about the beneficial effects of short-term hydrogen inhalation for athletic performance, several limitations must be considered when the study findings are interpreted. Here, the researchers evaluated both men and women, yet the small sample size limited subgroup analyses that might reveal possible gender-specific effects of gaseous hydrogen. Safety information: Gaseous H₂ should be further evaluated for its efficacy and safety in an athletic environment.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.