Hydrogen Therapy Reduced Preeclampsia Signs in Rats
Protective effects of hydrogen-rich saline in preeclampsia rat model
Research hubs: Cardiovascular System · Reproductive System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- X. Yang, L. Guo, X. Sun, X. Chen, X. Tong
- Journal
- Placenta
- Year
- 2011
- PMID
- 21764125
- Study Type
- Rat
- Participants
- 50
- Delivery
- Saline (Dissolved)
- Dose
- 5 ml/kg hydrogen saline, intraperitoneal
- Duration
- 22 days
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 28 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich saline helps reduce the harmful effects of a preeclampsia-like condition in pregnant rats.
Key Finding
In pregnant rats with preeclampsia-like symptoms, hydrogen-rich saline treatment reduced markers of oxidative stress and inflammation, and decreased fetal loss compared to untreated preeclamptic rats.
Summary
Researchers tested whether hydrogen-rich saline could protect against preeclampsia (a dangerous pregnancy condition involving high blood pressure) in rats. They gave pregnant rats a chemical that mimics preeclampsia, then treated some with hydrogen-rich saline injections. Compared to untreated preeclamptic rats, those receiving hydrogen-rich saline had fewer pregnancy losses, lower markers of cell damage and inflammation, and reduced protein in urine—a sign of kidney problems common in preeclampsia.
Practical Takeaway
This is an early-stage animal study suggesting hydrogen may help reduce oxidative stress and inflammation associated with preeclampsia. However, this was conducted only in rats using injected hydrogen-rich saline—not the oral hydrogen water available to consumers—so it cannot yet inform human treatment decisions. Much more research, including human trials, would be needed before any clinical recommendations could be made.
Abstract (excerpt)
Hydrogen has been reported as a novel antioxidant to selectively reduce levels of toxic reactive-oxygen species (ROS). We investigated the effects of hydrogen-rich saline on the prevention of oxidative injuries in N(omega)-nitro-L-arginine methyl ester (L-NAME) induced rat model of preeclampsia…