24 papers
Q: Does molecular hydrogen help with arthritis / rheumatism?
A: Of 24 peer-reviewed papers, 17 reported a positive effect (the most common), 3 limited/mixed, 0 negative, 4 not assessed. Study mix: 11 human (2 RCT), 8 animal/basic, 4 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 | 11 | of which RCT | 2 |
|---|---|---|---|
| Animal/basic | 8 | Synthesis/meta | 4 |
| Reported effect | positive 17 ・ limited/mixed 3 ・ negative 0 ・ not assessed 4 | ||