Hydrogen Water Protects Brain Cells from Toxic Damage in Lab Study
Suppression of glutamate-induced neural cell death by electrolyzed-reduced water
Research hubs: Oxidative Stress · Brain & Nervous 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
- T. Kashiwagi, T. Hamasaki, M. Takaki, S. Kabayama, K. Teruya, Y. Katakura, K. Otubo, S. Morisawa, S. Shirahata
- Journal
- Animal Cell Technology: Basic & Applied Aspects
- Year
- 2003
- Study Type
- Cell Culture
- Delivery
- Water (Electrolysis)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 0 (OpenAlex, as of November 2026)
- Country
- Japan
TL;DR
Water that has been electrically treated (ERW) can protect brain cells from damage caused by stress-related molecules and a harmful substance called glutamate.
Key Finding
Electrolyzed-reduced water reduced brain cell death caused by glutamate exposure and lowered intracellular reactive oxygen species levels in rat brain cell cultures.
Summary
Researchers tested electrolyzed-reduced water (water treated with electricity to add antioxidants) on rat brain cells exposed to glutamate, a chemical that can damage neurons. The water reduced cell death and lowered levels of harmful molecules called reactive oxygen species (unstable particles that damage cells). This suggests the water's protective effect came from its ability to neutralize these harmful molecules.
Practical Takeaway
This is early laboratory evidence in rat cells only, not human studies. While the results suggest electrolyzed-reduced water may have antioxidant properties that could protect neurons, much more research—including animal and human studies—would be needed before any health claims could be made. The findings cannot yet be applied to real-world health situations.
Abstract (excerpt)
Electrolyzed-reduced water (ERW) produced by electrolyzing water in cathode side has the ability to scavenge reactive oxygen species (ROS). Here, we investigated the effect of ERW on oxidative stress-induced neural cell death by glutamate. When cell viability assay was performed using primary rat…