Hydrogen Water Boosts Liver's Natural Detox System in Rats
Intake of Molecular Hydrogen in Drinking Water Increases Membrane Transporters, p-Glycoprotein, and Multidrug Resistance-Associated Protein 2 without Affecting Xenobiotic-Metabolizing Enzymes in Rat Liver
Research hubs: Digestive System
This research was done in animals. Results in animals often don't carry over to people.
- Evidence type
- Animal study (rat)
- Authors
- Hsien-Tsung Yao, Yu-Hsuan Yang, Mei-Ling Li
- Journal
- Molecules
- Year
- 2019
- PMID
- 31330936
- Study Type
- Rat
- Delivery
- Water (Mg-Chemico)
- Dose
- Hydrogen-rich water ad libitum for four weeks
- Duration
- 4 weeks
- Outcome
- Positive
- Peer Reviewed
- Yes
- Cited by
- 15 (OpenAlex, as of November 2026)
- Country
- Taiwan
TL;DR
Drinking hydrogen-rich water (HRW) for four weeks did not change the way rats' bodies processed toxins or their levels of oxidative stress, but it might help the liver get rid of toxins more effectively.
Key Finding
Hydrogen-rich water increased liver proteins that pump toxins and drugs out of cells, but did not affect the enzymes that metabolize xenobiotics (foreign chemicals) or markers of oxidative stress in rats.
Summary
Researchers gave rats hydrogen-rich water for four weeks to see how it affected the liver's ability to process and eliminate drugs and toxins. The study found that hydrogen water increased production of two proteins (p-glycoprotein and Mrp2) that help move harmful substances out of liver cells into bile for elimination, but it did not change the activity of enzymes that break down drugs or affect oxidative stress (cellular damage from unstable molecules) in the liver.
Practical Takeaway
This rat study suggests hydrogen water may help the liver eliminate certain toxins more efficiently through enhanced transport mechanisms. However, this is early animal research with unknown clinical relevance to humans, and the study did not measure actual improvements in health or disease outcomes. More research in humans would be needed to determine whether this effect has practical health benefits.
Abstract (excerpt)
Molecular hydrogen (H2) has been shown to have antioxidant and anti-inflammatory activities that may reduce the development and progression of many diseases. In this study, hydrogen-rich water (HRW) was obtained by reacting hybrid magnesium-carbon hydrogen storage materials with water. Then…