Hydrogen Water Improves Male Fertility in Obese Rats
- Authors
- Mohammad Hossein Rigi, Seyyedeh Zahra Asghari, Elaheh Eshtad, Seyedeh Elnaz Nazari, Akram Aminian, Katereh Kharazmi, Fereshteh Asgharzadeh, Amir Avan, Seyed Mahdi Hassanian, Tyler W. LeBaron, Majid Khazaei
- Journal
- Toxicology and Applied Pharmacology
- Year
- 2025
- DOI
- 10.1016/j.taap.2025.117334
- Study Type
- Rat
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- Iran
- Health Condition
- Male Infertility
- Body System
- Reproductive
TL;DR
Drinking hydrogen-rich water improved sperm production and reduced damage in the reproductive systems of obese rats.
Key Finding
Hydrogen-rich water improved sperm production and reduced oxidative stress markers in obese rats, restoring several measures of testicular health that were damaged by a high-fat diet.
Summary
This study tested whether hydrogen-rich water could help restore reproductive function in obese rats. Researchers divided 30 male rats into three groups: normal diet, high-fat diet, and high-fat diet plus hydrogen-rich water. After 16 weeks, rats given hydrogen-rich water showed improvements in sperm count, testis health, and markers of oxidative stress (cellular damage from unstable molecules) compared to obese rats without the treatment.
Practical Takeaway
This rat study suggests hydrogen-rich water may help protect reproductive function under conditions of obesity-related oxidative stress. However, this is early-stage animal research; human studies would be needed to determine whether these benefits apply to people. The findings are interesting but not yet evidence that hydrogen water would help with human fertility or obesity-related reproductive issues.
Abstract
Obesity can impair spermatogenesis by various mechanisms such as decreased sperm concentration and increased oxidative DNA damage. Hydrogen-rich water (HRW) possesses therapeutic antioxidant properties that may help offer protection to sperm. This study aimed to investigate the therapeutic potential of HRW on spermatogenesis dysfunction in rats with high-fat diet (HFD)-induced obesity. In this experiment, thirty male Wistar Albino rats were divided into three groups. 1) Control group: fed a normal diet, 2) Obese group: fed a HFD (45 % fat), and 3) HFD + HRW group: fed a high-fat diet and received HRW. HRW (1.5 mM) was administered orally every day. After 16 weeks, blood and tissue samples (testis and epididymis) were collected for biochemical and histopathological analysis. Serum LH, FSH and testosterone and oxidative and antioxidative markers, malondialdehyde (MDA), superoxide dismutase (SOD), and total thiol groups were measured in testis and epididymal tissues. The results showed that the HFD significantly increased food intake, body weight, and lee index, all of which were reduced in the HRW-treated obese group. Testis weight, sperm count, Serum LH and histological evaluation of testis including Sertoli and spermatogonia cell counts were significantly lower in the obese group but improved with HRW treatment. Additionally, HRW treatment increased the luminal diameter of seminiferous tubules, epididymal epithelia height, tissue SOD, and total thiol levels, while reducing MDA level in the testis. This study showed that administration of HRW can improve spermatogenesis in obese animals by reducing oxidative stress and ameliorating histological changes in the testis and epididymis, suggesting its potential benefits in combating high-fat diet-induced reproductive dysfunction.