The effects of ingestion of hydrogen-dissolved alkaline electrolyzed water on stool consistency and gut microbiota: a double-blind randomized trial.
Yoshinori Tanaka, Masataka Kiuchi, Yasuki Higashimura, Yuji Naito, Katsuhiro Koyama · Medical gas research · 2021
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 The participants drank 500 mL of purified tap water or AEW every day for 2 weeks, the authors' hypothesis on the effectiveness of alkaline electrolyzed water (AEW) proposes that ingestion of AEW, considered possessing antioxidative properties, increases the number of Bifidobacteria and improves stool hardness and gastrointestinal symptoms. 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 molecular hydrogen affected the outcomes measured in The participants drank 500 mL of purified tap water or AEW every day for 2 weeks. The authors' hypothesis on the effectiveness of alkaline electrolyzed water (AEW) proposes that ingestion of AEW, considered possessing antioxidative properties, increases the number of Bifidobacteria and improves stool hardness and gastrointestinal symptoms.
What the Researchers Studied
The researchers studied The participants drank 500 mL of purified tap water or AEW every day for 2 weeks. The study used a randomized, double-blind human clinical trial.
What Effects Did Molecular Hydrogen Have?
Reported treatment duration: 2 weeks. The authors' hypothesis on the effectiveness of alkaline electrolyzed water (AEW) proposes that ingestion of AEW, considered possessing antioxidative properties, increases the number of Bifidobacteria and improves stool hardness and gastrointestinal symptoms.
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 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 The participants drank 500 mL of purified tap water or AEW every day for 2 weeks. The study used a randomized, double-blind human clinical trial. The reported treatment duration was 2 weeks.
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.