How Different Types of Hydrogen Therapy Work in the Body
Different types of molecular hydrogen donors and their pharmacokinetics in vivo
Research hubs: Digestive System · Respiratory System

- Evidence type
- Review or commentary
- Authors
- Bo-Yan Liu, Shu-Cun Qin
- Journal
- Acta Physiologica Sinica
- Year
- 2019
- Study Type
- clinical
- Delivery
- mixed
- Peer Reviewed
- Yes
- Country
- China
TL;DR
Scientists found that hydrogen gas can help treat diseases in different ways, but how you get the hydrogen into your body (breathing it, drinking it, getting a shot, or taking a pill) totally changes how well it works and how long it stays in your system.
Key Finding
The way molecular hydrogen is delivered to the body significantly affects how it behaves in your system and how well it may work therapeutically.
Summary
This review article examined different ways that molecular hydrogen (a gas with potential health effects) can be delivered to the body—including breathing it in, drinking hydrogen water, injecting it, taking solid supplements, or having your gut bacteria produce it. The researchers found that how hydrogen enters your body affects how it moves through and acts in your system, which then influences whether it actually works as intended.
Practical Takeaway
This is a review article that summarizes existing research rather than conducting new experiments, so it doesn't provide direct evidence about hydrogen water's effects. However, it highlights that different delivery methods (water, gas, injections, supplements) likely have different absorption and effectiveness profiles—a useful framework for understanding why study results might vary. More direct research on each delivery method is needed.
Abstract (excerpt)
Molecular hydrogen (H2) has been shown to have diverse biomedical effects. As a small molecular gas, hydrogen can be diffused to the target without hindrance. A variety of related hydrogen products used in medical research and public health have been developed. There are various methods…