Association Between Hydrogen-Rich Water Consumption and Lower Extremity Function in Older Adults Participating in Community Salons: A Prospective Observational Study
Harada Y, Miyakawa M · 2026
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 community-dwelling older adults participating in community salons, routine hydrogen-rich water consumption was associated with improved lower extremity function as measured by CS-30 and gait speed. This source-grounded publication contributes evidence relevant to molecular hydrogen and is retained in a transparent general research category when a more specific study design is not supported by the indexed record.
What the Findings Mean
H2HUBB reviewed how hydrogen-rich water was evaluated in this publication and summarizes the source-grounded findings below. In community-dwelling older adults participating in community salons, routine hydrogen-rich water consumption was associated with improved lower extremity function as measured by CS-30 and gait speed.
What Effects Did Molecular Hydrogen Have?
Hydrogen-rich water was offered by the salon operators as part of routine activities; the research team did not assign participants to consume it. In community-dwelling older adults participating in community salons, routine hydrogen-rich water consumption was associated with improved lower extremity function as measured by CS-30 and gait speed.
Why These Findings Matter
These findings add evidence supporting molecular hydrogen's therapeutic potential within the biological process and outcomes directly measured in this publication and contribute to the growing body of molecular-hydrogen research.
How Strong Is This Evidence?
H2HUBB classifies this publication as other research and interprets only the outcomes directly supported by the source record.
Technical Study Details
H2HUBB classifies this publication as other research with other supported evidence. The reported sample size was 48. The hydrogen delivery method was hydrogen-rich water.
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. The original scholarly source is available at https://europepmc.org/article/PPR/PPR1270104.
What the Researchers Studied
The available source identifies this publication as other research. A more specific population or model was not separately reported in the source text available to H2HUBB.