Hydrogen Gas Shows Promise as Medicine for Critically Ill Patients
- Authors
- Lakhmir S Chawla
- Journal
- Intensive Care Medicine Experimental
- Year
- 2025
- DOI
- 10.1186/s40635-025-00798-w
- Study Type
- clinical
- Peer Reviewed
- Yes
- Country
- United States
- Health Condition
- Sepsis
- Body System
- Respiratory
TL;DR
Scientists found that breathing in hydrogen gas or drinking hydrogen-enriched water might help really sick people recover by reducing harmful inflammation and damage in their bodies, and the best part is it seems safe and cheap to try.
Key Finding
Molecular hydrogen gas has demonstrated a favorable safety profile and shows antioxidant, anti-inflammatory, and cell-protective effects in both animal studies and preliminary human research across multiple serious illnesses.
Summary
This review examines molecular hydrogen gas (H₂)—a gas that can be inhaled or consumed in hydrogen-rich water—as a potential treatment for serious illnesses. The authors analyzed existing research showing that hydrogen gas may reduce harmful oxidative stress (cellular damage from unstable molecules), decrease inflammation, and protect cells and mitochondria (the energy centers of cells). While animal studies and small human studies suggest hydrogen gas is safe and may help with conditions like sepsis, lung injury, and kidney damage, the authors note that larger, well-designed human trials are needed to confirm whether it actually works in critical care settings.
Practical Takeaway
While early evidence suggests hydrogen gas may be safe and could potentially benefit people with critical illnesses, this is a review article rather than a completed clinical trial, so definitive claims about effectiveness cannot yet be made. Larger, rigorous human studies are needed before hydrogen gas can be recommended as a standard treatment. Anyone considering hydrogen therapy should discuss it with their healthcare provider, especially in critical care situations.
Abstract (excerpt)
Molecular hydrogen gas (HG), administered through inhalation or as hydrogen-rich fluids (HRF), has demonstrated antioxidant, anti-inflammatory, antiapoptotic, cytoprotective, and beneficial mitochondrial effects in critical illness. Preclinical studies and human clinical studies consistently…