Hydrogen Water Linked to Lower Bladder Problems in Rats with Outlet Obstruction
Preventive Effect of Hydrogen Water on the Development of Detrusor Overactivity in a Rat Model of Bladder Outlet Obstruction
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Nozomu Miyazaki, Osamu Yamaguchi, Masanori Nomiya, Ken Aikawa, Junko Kimura
- Journal
- Journal of Urology
- Year
- 2016
- PMID
- 26518110
- Study Type
- Rat
- Delivery
- Water (Dissolved)
- Dose
- Oral ingestion of hydrogen water for 4 weeks
- Duration
- 4 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 25 (OpenAlex, as of November 2026)
- Country
- Japan
TL;DR
Drinking hydrogen-infused water improved bladder function and reduced signs of damage in rats with bladder blockages by lowering harmful oxidative stress.
Key Finding
Rats with bladder outlet obstruction that drank hydrogen water showed significantly improved bladder function, including normalized urination intervals and volumes, compared to rats given regular water.
Summary
Researchers studied whether hydrogen water could help prevent bladder problems in rats with a surgically created bladder obstruction. Rats that drank hydrogen water had better bladder function, including more normal urination patterns and less urine left in the bladder after urination, compared to rats that drank regular water. The hydrogen water appeared to work by reducing oxidative stress (cellular damage from unstable molecules) in the bladder tissue.
Practical Takeaway
This rat study suggests hydrogen water may help protect bladder function under conditions of obstruction by reducing oxidative stress. However, this is early-stage animal research, and it's unclear whether these results would apply to humans or to bladder conditions outside of surgical obstruction. More research, including human studies, would be needed before drawing conclusions about practical benefits.
Abstract (excerpt)
Purpose: Bladder ischemia and oxidative stress contribute to the pathogenesis of bladder dysfunction caused by bladder outlet obstruction (BOO). Molecular hydrogen (H2) reportedly acts as an effective antioxidant. We investigated whether oral ingestion of hydrogen water (H2-water) has a beneficial…