27 papers
Q: Does molecular hydrogen help with Alzheimer's disease?
A: Of 27 peer-reviewed papers, 13 reported a positive effect (the most common), 2 limited/mixed, 0 negative, 12 not assessed. Study mix: 2 human (1 RCT), 13 animal/basic, 11 meta-analysis or synthesis. The most studied delivery route is mixed routes. 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 | 2 | of which RCT | 1 |
|---|---|---|---|
| Animal/basic | 13 | Synthesis/meta | 11 |
| Reported effect | positive 13 ・ limited/mixed 2 ・ negative 0 ・ not assessed 12 | ||