35 papers
Q: Does molecular hydrogen help with endothelial function?
A: Of 35 peer-reviewed papers, 32 reported a positive effect (the most common), 0 limited/mixed, 0 negative, 3 not assessed. Study mix: 10 human (5 RCT), 23 animal/basic, 1 meta-analysis or synthesis. The most studied delivery route is inhalation. 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 | 10 | of which RCT | 5 |
|---|---|---|---|
| Animal/basic | 23 | Synthesis/meta | 1 |
| Reported effect | positive 32 ・ limited/mixed 0 ・ negative 0 ・ not assessed 3 | ||