Hydrogen Water Boosts Egg Quality and Hen Health in Aging Chickens
Effects of Oligomeric Ultrafine-Nano Hydrogen Water on Laying Performance, Egg Quality, Nutrient Composition, and Intestinal and Reproductive Responses in Late-Laying Hens
Research hubs: Oxidative Stress · Digestive System · Reproductive System
- Authors
- Baowei Wang, Guangpeng Chu, Mengxiao Yang, Zhigang Fan, Yuanzhao Wu, Binghan Wang, Wei Lu, Shijie Fan, Ruilei Liu, Guiqin Wu, Mingai Zhang, Wenlei Fan, Tiejun Chen, Jing Wang
- Journal
- Animals
- Year
- 2026
- DOI
- 10.3390/ani16172658
- Study Type
- Chicken
- Outcome
- Positive
- Peer Reviewed
- Yes
- Country
- China
- Health Condition
- Age-Related Reproductive Decline
- Body System
- Digestive
TL;DR
Ultrafine-nanobubble hydrogen water improved several production, egg-quality, intestinal, and reproductive measures in older laying hens.
Key Finding
Late-laying hens given hydrogen water produced more eggs with better shell quality and higher levels of beneficial fatty acids, while also showing reduced inflammatory markers in intestinal and reproductive tissues — though these improvements were limited to a specific phase of the trial.
Summary
This study tested a specialized type of hydrogen water — called oligomeric ultrafine-nano hydrogen water (OUHW), which contains extremely tiny hydrogen bubbles — on older egg-laying hens over 11 weeks. Researchers compared 144 hens drinking OUHW to 144 hens drinking regular tap water, measuring egg production, egg quality, nutrient content, gut health markers, and inflammation. Hens drinking OUHW laid more eggs, had better egg quality, and showed lower levels of inflammatory proteins (molecules that signal inflammation in the body) in their gut and reproductive tissues during certain weeks of the trial. The benefits were not consistent across all 11 weeks — they appeared mainly during weeks 5 through 8.
Practical Takeaway
This was an animal study conducted in chickens, so results cannot be directly applied to humans. That said, it adds to early evidence suggesting hydrogen water may support metabolic function and reduce inflammation in aging biological systems. Anyone interested in hydrogen water for similar reasons should know that human clinical trials on these specific effects are still very limited.
Abstract (excerpt)
This study evaluated the effects of oligomeric ultrafine-nano hydrogen water (OUHW) on production performance, egg quality, egg nutrient deposition, systemic metabolism, intestinal barrier function, and reproductive status in late-laying hens. Unlike conventional hydrogen-rich water, which…