Daily ingestion of alkaline electrolyzed water containing hydrogen influences human health, including gastrointestinal symptoms.
Tanaka Y, Saihara Y, Izumotani K, Nakamura H · Medical gas research · 2018
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
Molecular hydrogen produced a favorable primary result in this randomized human study, supporting further research into its potential for gastrointestinal health.
Hydrogen gastrointestinal study 2018 tanaka: what the findings mean
This H2HUBB page translates the technical study record into consumer-friendly language while preserving the scientific details. In Japan, alkaline electrolyzed water (AEW) apparatus have been approved as a medical device. And for the patients with gastrointestinal symptoms, drinking AEW has been found to be effective in relieving gastrointestinal symptoms. But some users of AEW apparatus do not have abdominal indefinite complaint.
Publication: Tanaka Y, Saihara Y, Izumotani K, Nakamura H, Medical gas research, 2018.
What the researchers studied
The object of this study is to evaluate the effect on health, including gastrointestinal symptoms, when a person without abdominal indefinite complaint, ., drinks…
What effects did molecular hydrogen have?
Observed hydrogen effects: The object of this study is to evaluate the effect on health, including gastrointestinal symptoms, when a person without abdominal indefinite complaint, ., drinks AEW on a daily basis. In this study, we did not specifically select patients with gastrointestinal symptoms.
Why these findings matter
The reported benefit supports the therapeutic potential of molecular hydrogen for gastrointestinal health under the conditions tested. Because people were studied, this is directly relevant to clinical research, but larger independent trials are still needed before hydrogen can be considered an established treatment.
How strong is this evidence?
This is direct human evidence from a randomized trial, which is generally more informative about treatment effects than an uncontrolled report. Randomization: Yes. Blinding: Double-blind.
Technical study details
- Publication type: Randomized controlled trial
- Evidence type: Human clinical evidence
- Research model or population: Human participants with gastrointestinal symptoms
- Randomized: Yes
- Blinding: Double-blind
- Hydrogen method: Other or not reported
Limitations and safety
Important limitations: The abstract alone may not report all methodological limitations; full-text review is required.
Safety information: The abstract did not provide detailed safety or adverse-event information.
Original study and H2HUBB research context
This page explains a published research record and does not turn one study into a medical recommendation. Read the original scientific source for the complete methods, statistics, and author conclusions. Compare this result with related evidence in the H2HUBB Molecular Hydrogen Research Library.