Hydrogen Water Boosts Antioxidant Power Against Cell Damage
The mechanism of the enhanced antioxidant effects against superoxide anion radicals of reduced water produced by electrolysis
Research hubs: Oxidative Stress · Immune System
This research was done on cells or tissue in a lab, not in people or animals.
- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Kokichi Hanaoka, Dongxu Sun, Richard Lawrence, Yoshinori Kamitani, Gabriel Fernandes
- Journal
- Biophysical Chemistry
- Year
- 2004
- PMID
- 14871602
- Study Type
- Molecular Assay
- Delivery
- Saline (Electrolysis)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 61 (OpenAlex, as of November 2026)
- Country
- Japan
TL;DR
Special "reduced water" made through electrolysis can boost the effectiveness of antioxidants like vitamin C in protecting DNA from damage caused by harmful oxygen-containing molecules.
Key Finding
Electrolyzed reduced water enhanced antioxidant effects by increasing the ionic product of water, which suppressed DNA damage from reactive oxygen species and boosted the activity of superoxide dismutation.
Summary
Researchers tested whether water produced by electrolysis (a process using electricity to change water's properties) could protect DNA from damage caused by harmful molecules called reactive oxygen species. They found that electrolyzed water didn't work as an antioxidant (damage-fighter) by itself, but it enhanced the antioxidant power of other substances like vitamin C. The enhancement appeared to work by changing the water's ionic product—a measure of how many charged particles are in the water—which helped neutralize damaging molecules and protect DNA from breaking.
Practical Takeaway
This laboratory study suggests electrolyzed water may work with other antioxidants to protect cells from oxidative damage, but the research was conducted in test tubes rather than in humans or animals. Much more research, including human trials, would be needed before any health claims could be made about electrolyzed water's ability to prevent or treat oxidative stress-related conditions.
Abstract (excerpt)
We reported that reduced water produced by electrolysis enhanced the antioxidant effects of proton donors such as ascorbic acid (AsA) in a previous paper. We also demonstrated that reduced water produced by electrolysis of 2 mM NaCl solutions did not show antioxidant effects by itself. We reasoned…