Hydrogen Gas and Sperm Movement in Lab Cell Studies
Stimulation of human damaged sperm motility with hydrogen molecule
Research hubs: Reproductive System
This research was done on cells or tissue in a lab, not in people or animals.
- Evidence type
- Laboratory study (cells or tissue)
- Authors
- Kumiko Nakata, Naoki Yamashita, Yoshihiro Noda, Ikuroh Ohsawa
- Journal
- Medical Gas Research
- Year
- 2015
- PMID
- 25649433
- Study Type
- Cell Culture
- Delivery
- Medium (Dissolved)
- Dose
- 30 min exposure; retreatment after 24 h
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 25 (OpenAlex, as of November 2026)
- Country
- Japan
TL;DR
Hydrogen gas (H2) treatment can boost the movement of poorly swimming sperm, potentially offering a new approach for treating male infertility.
Key Finding
Hydrogen gas treatment significantly improved forward sperm motility in laboratory-damaged human sperm samples, with effects that could be renewed with repeated exposure.
Summary
Researchers tested whether hydrogen gas dissolved in liquid could improve the movement of damaged human sperm cells in a laboratory dish. They used sperm samples that had been stored at room temperature for over 5 days or frozen, which naturally have reduced movement. When exposed to hydrogen gas, the sperm showed significantly improved forward movement compared to sperm exposed to nitrogen gas (a control). The improvement appeared to work by reducing harmful molecules called reactive oxygen species and boosting energy production in the sperm's mitochondria (the cell's power plants).
Practical Takeaway
This is an early-stage laboratory study showing hydrogen may help restore movement in damaged sperm cells, which could have potential applications in fertility treatments. However, this research was conducted only in test tubes with human sperm cells—not in living people—so it's far too early to know if these results would translate to actual clinical benefit. Much more research, including human trials, would be needed before hydrogen could be considered a viable fertility treatment.
Abstract (excerpt)
Background: Sperm motility is a critical factor in male fertility. Low motility can be caused by a variety factors including abnormal spermatogenesis, oxidative damage, or depletion of intracellular ATP. Recent findings indicate that hydrogen molecule (H2) selectively reduces toxic reactive oxygen…