Hydrogen Water Reduces Mouth Sores in Mice Given Cancer Radiation
Hydrogen-rich water attenuates radiation-induced oral mucositis in mice via antioxidant and gut microbiota-stabilizing effects: a longitudinal study
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (mouse)
- Authors
- Zixin Lan, Junyang Chen, Shanwei Lan, Ning Li, Bo Yang, Jin Hou, Xiaojun Yang
- Journal
- Gut Microbes Reports
- Year
- 2026
- PMID
- 41909889
- Study Type
- Mouse
- Delivery
- Water (Electrolysis)
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 2 (OpenAlex, as of November 2026)
- Country
- China
TL;DR
Hydrogen-rich water reduced radiation-induced oral mucositis and restored gut barrier function by modulating inflammation and the microbiome in a mouse model.
Key Finding
Hydrogen-rich water reduced radiation damage to the mouth and intestines in mice and partially restored healthy gut bacteria populations that radiation had disrupted.
Summary
Researchers gave mice head and neck radiation (similar to cancer treatment) and found it damaged tissue in both the mouth and intestines, along with harmful changes to gut bacteria. When these mice drank hydrogen-rich water, the mouth damage improved, the intestinal lining strengthened, and the gut bacteria shifted back toward healthier types. The study suggests hydrogen-rich water may help protect against radiation damage by reducing inflammation and stabilizing beneficial bacteria.
Practical Takeaway
This is an early-stage mouse study, so results cannot yet be applied to humans. While the findings are promising and suggest hydrogen-rich water may help protect against radiation-related mouth damage through multiple mechanisms, human clinical trials would be needed before any health recommendations could be made for cancer patients undergoing head and neck radiation.
Abstract (excerpt)
Radiation-induced oral mucositis (RIOM) frequently complicates head and neck radiotherapy, leading to severe pain, compromised nutrition, and often requiring treatment modifications. Although craniofacial-only irradiation is confined to the head and neck region, it can still disrupt gut…