Hydrogen Water Reduces Stroke Damage and Improves Recovery in Rats
Longitudinal multiparametric MRI study of hydrogen-enriched water with minocycline combination therapy in experimental ischemic stroke in rats
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
- Zhao Jiang, Tharun T. Alamuri, Eric R. Muir, Dennis W. Choi, Tim Q. Duong
- Journal
- Brain Research
- Year
- 2020
- PMID
- 32919984
- Study Type
- Rat
- Participants
- 36
- Delivery
- Water (Mg-Chemico)
- Dose
- hydrogen-enriched water
- Duration
- 1 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 7 (OpenAlex, as of November 2026)
- Country
- United States
TL;DR
Hydrogen gas treatment, alone or combined with the drug minocycline, reduces brain damage and improves recovery in rats after a stroke.
Key Finding
Hydrogen-enriched water reduced stroke-related brain damage and improved neurological recovery in rats, with combination therapy (hydrogen plus minocycline) providing additional protective effects against post-stroke complications.
Summary
Researchers tested whether hydrogen-enriched water could help reduce brain damage in rats that had experienced a stroke. They compared rats that received hydrogen water alone, hydrogen water combined with the drug minocycline, or no treatment. Using MRI scans and behavioral tests, they found that hydrogen water reduced the size of the damaged brain area and improved neurological recovery in both treatment groups, with the combination therapy showing additional benefits like reduced excessive blood flow and less damage to white matter (the brain's communication pathways).
Practical Takeaway
This early-stage animal study suggests hydrogen water may have neuroprotective potential in stroke, but these results are from rats only and cannot be directly applied to humans. Much more research, including human clinical trials, would be needed before any health claims could be made about hydrogen water for stroke prevention or treatment.
Abstract (excerpt)
Free radicals are downstream mediators of several cytotoxic cascades contributing to ischemic brain injury. Molecular hydrogen (H2) is an antioxidant potentially useful in the treatment of stroke. Hydrogen is easy to deliver, biologically non-toxic and diffuses freely through all biological…