Hydrogen Saline Protects Brain from Stroke Damage in Rats
The effect of hydrogen-rich saline on the brain of rats with transient ischemia
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
- Qing Ji, Kangli Hui, Lidong Zhang, Xuejun Sun, Weiyan Li, Manlin Duan
- Journal
- Journal of Surgical Research
- Year
- 2011
- PMID
- 21435662
- Study Type
- Rat
- Participants
- 96
- Delivery
- Saline (Dissolved)
- Dose
- Intraperitoneal injection at beginning of reperfusion and 6 hours after reperfusion began
- Duration
- 3 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 52 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Injecting hydrogen-rich saline into rats after a stroke-like event significantly protected their brain cells from damage.
Key Finding
Hydrogen-rich saline reduced multiple markers of brain damage in rats with temporary loss of blood flow to the brain, including oxidative stress, inflammation, and cell death signals.
Summary
Researchers tested whether hydrogen-rich saline (a salt solution containing dissolved hydrogen gas) could protect rat brains from damage caused by temporarily cutting off blood flow and then restoring it. They found that rats treated with hydrogen-rich saline had less brain cell death, lower levels of harmful molecules that damage cells, and reduced inflammation compared to untreated rats.
Practical Takeaway
This rat study suggests hydrogen-rich saline may have protective effects on brain tissue during ischemic injury, but human studies are needed to determine if these benefits apply to people. The findings are preliminary and limited to laboratory conditions.
Abstract (excerpt)
Background: Due to its antioxidant and anti-inflammatory properties, hydrogen gas (H(2)) has protective effects on a variety of organs from damage induced by ischemia/reperfusion (I/R). In this study, we tested the protective effect of hydrogen-rich saline on the brain in a global cerebral I/R…