Hydrogen Research Study
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Review or synthesisHuman Clinical Studymultiple hydrogen delivery methods (hydrogen-rich water, gas inhalation)

Molecular Hydrogen Therapy-A Review on Clinical Studies and Outcomes.

Hennie Marie Johnsen, Marianne Hiorth, Jo Klaveness · Molecules (Basel, Switzerland) · 2023

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 Oxidative Stress and Antioxidant Signaling
Evidence type Review or synthesis
Publication type Human Clinical Study
Hydrogen method multiple hydrogen delivery methods (hydrogen-rich water, gas inhalation)

H2HUBB TAKEAWAY

In participants, flow-mediated dilation was significantly improved for patients who drank H₂-rich water (7 ppm = 7 mg/L), compared to placebo [ 21 ]. One study involving ten cerebral ischemia patients demonstrated that inhaling 3% H₂ for 30 min did not change any physiological parameters, reaffirming safety. These findings add human evidence supporting molecular hydrogen's therapeutic potential to influence cognitive function.

What the Findings Mean

H2HUBB reviewed how multiple hydrogen delivery methods (hydrogen-rich water, gas inhalation) was evaluated in this publication and summarizes the source-grounded findings below. Flow-mediated dilation was significantly improved for patients who drank H₂-rich water (7 ppm = 7 mg/L), compared to placebo [ 21 ]. One study involving ten cerebral ischemia patients demonstrated that inhaling 3% H₂ for 30 min did not change any physiological parameters, reaffirming safety.

What the Researchers Studied

The study used a narrative review.

What Effects Did Molecular Hydrogen Have?

Flow-mediated dilation was significantly improved for patients who drank H₂-rich water (7 ppm = 7 mg/L), compared to placebo [ 21 ]. One study involving ten cerebral ischemia patients demonstrated that inhaling 3% H₂ for 30 min did not change any physiological parameters, reaffirming safety. The authors concluded that in summary, the researchers are confident that H₂ therapy will gain recognition as a viable therapeutic treatment approach in the future, for some specific diseases and conditions.

Why These Findings Matter

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

How Strong Is This Evidence?

This is human clinical evidence from a narrative review. 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 study used a narrative review. The hydrogen delivery method was multiple hydrogen delivery methods (hydrogen-rich water, gas inhalation).

Limitations and Safety

No separate limitations or safety findings were identified in the current-study 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.