Hydrogen Water Protects Against Chronic Gut Inflammation in Rats
Hydrogen-Rich Water Mitigates LPS-Induced Chronic Intestinal Inflammatory Response in Rats via Nrf-2 and NF-κB Signaling Pathways
Research hubs: Digestive System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Jin Peng, Qi He, Shuaichen Li, Tao Liu, Jiantao Zhang
- Journal
- Veterinary Sciences
- Year
- 2022
- PMID
- 36356098
- Study Type
- Rat
- Delivery
- Water (Dissolved)
- Dose
- hydrogen-rich water for seven months prior to lipopolysaccharide injection
- Duration
- 7 months
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 22 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Drinking hydrogen-rich water may help prevent long-term gut inflammation caused by harmful substances.
Key Finding
Hydrogen-rich water reduced chronic intestinal inflammation in rats by activating antioxidant defenses and suppressing inflammatory signaling pathways, while strengthening the intestinal barrier.
Summary
Researchers gave rats hydrogen-rich water for seven months, then exposed them to a bacterial toxin (lipopolysaccharide) known to trigger intestinal inflammation. The hydrogen-rich water reduced inflammatory markers and oxidative stress (cellular damage from unstable molecules) in the rats' intestines by activating protective cellular pathways (Nrf-2) and suppressing inflammatory pathways (NF-κB). The treatment also strengthened the intestinal barrier.
Practical Takeaway
This rat study suggests hydrogen-rich water may help protect against intestinal inflammation, but results from animal studies do not automatically translate to humans. No human trials have tested this yet, so it remains unclear whether these effects would occur in people or at what dose. More research in humans is needed before drawing conclusions about practical benefits.
Abstract (excerpt)
Long-term exposure to low-dose lipopolysaccharide can impair intestinal barriers, causing intestinal inflammation and leading to systemic inflammation. Hydrogen-rich water possesses antioxidant and anti-inflammatory functions and exerts inhibitory effects on various inflammatory diseases. In this…