Hydrogen Research Study
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Human clinical evidenceHuman Clinical Studyhydrogen-rich water

Hydrogen-rich water suppresses the reduction in blood total antioxidant capacity induced by 3 consecutive days of severe exercise in physically active males.

Shohei Dobashi, Kaito Takeuchi, Katsuhiro Koyama · Medical gas research · 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 Research Library branded molecular hydrogen research image
Primary topic Exercise, Athletics, and Recovery
Evidence type Human clinical evidence
Publication type Human Clinical Study
Hydrogen method hydrogen-rich water

H2HUBB TAKEAWAY

In 8 participants, however, HW suppressed the reduction in biological antioxidant potential/diacron-reactive oxygen metabolites observed in PW. These findings add human evidence supporting molecular hydrogen's therapeutic potential to influence oxidative-stress regulation.

What the Findings Mean

H2HUBB reviewed how hydrogen-rich water affected the outcomes measured in 8 participants. However, HW suppressed the reduction in biological antioxidant potential/diacron-reactive oxygen metabolites observed in PW.

What the Researchers Studied

The researchers studied 8 participants. The study used a randomized, crossover human clinical trial. The comparison condition was placebo.

What Effects Did Molecular Hydrogen Have?

Source-reported hydrogen exposure: 500 mL hydrogen-rich water per reported dose; dissolved H₂ concentration was not sufficiently reported, so H2HUBB did not estimate milligrams of H₂. However, HW suppressed the reduction in biological antioxidant potential/diacron-reactive oxygen metabolites observed in PW. The authors concluded that there is a growing body of evidence suggesting that H₂ suppresses exercise-induced oxidative stress in both animals 10 11 12 and humans 9; the findings of the current study are in accordance with these previous results. There is growing evidence that molecular hydrogen counteracts oxidative and/or inflammatory responses. The researchers investigated the effects of molecular hydrogen-rich water (HW) on muscle performance and oxidative stress markers induced by strenuous exercise.

Why These Findings Matter

These findings add human evidence supporting molecular hydrogen's therapeutic potential to influence oxidative-stress regulation and contribute to the growing body of molecular-hydrogen research.

How Strong Is This Evidence?

This is human clinical evidence from a randomized, 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 8 participants. The reported sample size was 8. The study used a randomized, crossover human clinical trial. The hydrogen delivery method was hydrogen-rich water. The source-reported hydrogen exposure was 500 mL hydrogen-rich water per reported dose; dissolved H₂ concentration was not sufficiently reported, so H2HUBB did not estimate milligrams of H₂.

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.