Hydrogen Water Protects Brain from Stroke Damage in Rats
Protective effects of hydrogen-rich saline in a rat model of permanent focal cerebral ischemia via reducing oxidative stress and inflammatory cytokines
Research hubs: Brain & Nervous System · Cardiovascular System
This research was done in animals. Results in animals often don't carry over to people.

- Evidence type
- Animal study (rat)
- Authors
- Jianjun Li, Yushu Dong, Hongguang Chen, Huanzhi Han, Yonghao Yu, Guolin Wang, Yi Zeng, Ke-Liang Xie
- Journal
- Brain Research
- Year
- 2012
- PMID
- 23010312
- Study Type
- Rat
- Delivery
- Saline (Dissolved)
- Dose
- Intraperitoneally administered at 5 minutes after pMCAO, followed by injections at 6h, 12h and 24h
- Duration
- 3 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 53 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline can significantly protect the brain from stroke-induced damage by reducing oxidative stress and inflammation.
Key Finding
Hydrogen-rich saline reduced stroke damage in rats and improved neurological outcomes in a dose-dependent manner by lowering oxidative stress and inflammatory markers in brain tissue.
Summary
Researchers tested hydrogen-rich saline (a salt solution containing dissolved hydrogen gas) in rats that had a stroke caused by blocked blood flow to the brain. The treatment reduced brain damage, improved the rats' neurological function, and worked by decreasing harmful molecules called oxidative stress and reducing inflammatory chemicals in the brain.
Practical Takeaway
While this rat study suggests hydrogen-rich saline may protect brain tissue after stroke, it is early-stage research that has not been tested in humans. Much more research, including human clinical trials, would be needed before any conclusions could be drawn about its potential use in stroke patients.
Abstract (excerpt)
Hydrogen gas (H(2)) as a new medical gas exerts organ-protective effects through regulating oxidative stress, inflammation and apoptosis. In contrast to H(2), hydrogen-rich saline (HS) may be more suitable for clinical application. The present study was designed to investigate whether HS can offer…