352 papers
Q: Does molecular hydrogen help with hydroxyl radical scavenging?
A: Of 352 peer-reviewed papers, 220 reported a positive effect (the most common), 23 limited/mixed, 3 negative, 106 not assessed. Study mix: 43 human (23 RCT), 195 animal/basic, 94 meta-analysis or synthesis. The most studied delivery route is hydrogen-rich water. The above aggregates published research and does not constitute a clinically established conclusion. See the individual paper pages for details and Safety notes for inhalation safety. (last updated 2026-05-15)
| Human | 43 | of which RCT | 23 |
|---|---|---|---|
| Animal/basic | 195 | Synthesis/meta | 94 |
| Reported effect | positive 220 ・ limited/mixed 23 ・ negative 3 ・ not assessed 106 | ||