Hydrogen Water Reduces Inflammation in Mice Study
Anti-inflammation effects of hydrogen saline in LPS activated macrophages and carrageenan induced paw oedema
Research hubs: Immune System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (mouse)
- Authors
- Zheng Xu, Jiangrui Zhou, Jianmei Cai, Zhen Zhu, Xuejun Sun, Chunlei Jiang
- Journal
- Journal of Inflammation
- Year
- 2012
- PMID
- 22296736
- Study Type
- Mouse
- Delivery
- Saline (Dissolved)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 49 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen saline, a more user-friendly alternative to hydrogen gas, has been shown to reduce inflammation in mice.
Key Finding
Hydrogen saline reduced multiple signs of inflammation in mice, including foot swelling, immune cell infiltration, and levels of TNF-α (a key inflammatory protein), suggesting it may have anti-inflammatory effects.
Summary
Researchers tested whether hydrogen saline (hydrogen gas dissolved in salt water) could reduce inflammation in mice. They used two models: one where they injected a substance into a mouse's foot to cause swelling, and another using immune cells in a lab dish. Hydrogen saline treatment reduced swelling, decreased immune cell infiltration, and lowered inflammatory markers in both tests, suggesting it may work by neutralizing harmful free radicals (unstable molecules that damage cells).
Practical Takeaway
This early-stage animal study suggests hydrogen saline may help reduce inflammation, but it was conducted only in mice and lab cell cultures—not in humans. Much more research, including human trials, would be needed before any health claims could be made. The convenience of saline over inhaled hydrogen gas is noted, but real-world effectiveness in people remains unknown.
Abstract (excerpt)
AbstractBackgroundOxidative stress is thought to play an important role in the pathogenesis of inflammation. Recent studies have found that hydrogen gas has the effect of eliminating free radicals. Whether hydrogen saline (more convenient to be used than hydrogen gas) has the anti-inflammation…