Acute ingestion of hydrogen-rich water does not improve incremental treadmill running performance in endurance-trained athletes.
Cheong Hwa Ooi, Siew Kit Ng, Eshaifol Azam Omar · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2020
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 This randomized controlled trial examined the effects of H₂-water ingestion on physiological responses and exercise performance during incremental treadmill running, cardiorespiratory responses, RPE, and blood gas indices were not significantly different at each submaximal running intensity (range: 34%-91% maximal oxygen uptake) between H₂-water and placebo trials. 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 hydrogen-rich water affected the outcomes measured in This randomized controlled trial examined the effects of H₂-water ingestion on physiological responses and exercise performance during incremental treadmill running. Cardiorespiratory responses, RPE, and blood gas indices were not significantly different at each submaximal running intensity (range: 34%-91% maximal oxygen uptake) between H₂-water and placebo trials.
What the Researchers Studied
The researchers studied This randomized controlled trial examined the effects of H₂-water ingestion on physiological responses and exercise performance during incremental treadmill running. The study used a randomized human clinical trial.
What Effects Did Molecular Hydrogen Have?
Cardiorespiratory responses, RPE, and blood gas indices were not significantly different at each submaximal running intensity (range: 34%-91% maximal oxygen uptake) between H₂-water and placebo trials. The authors concluded that the ingestion of 290 mL of H₂-water before submaximal treadmill running and an additional dose before the subsequent incremental running to exhaustion were not sufficiently ergogenic in endurance-trained athletes.
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 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 This randomized controlled trial examined the effects of H₂-water ingestion on physiological responses and exercise performance during incremental treadmill running. The study used a randomized human clinical trial. The hydrogen delivery method was hydrogen-rich water.
Limitations and Safety
No separate limitations or safety findings were identified in the source text available to H2HUBB.
Original Study and H2HUBB Research Context
H2HUBB presents this source-grounded research record as one contribution to the broader molecular-hydrogen evidence base.