Research · Systematic review
Echinacea for preventing and treating the common cold
What it found
No significant prevention benefit; treatment effect weak and uncertain.
- Design
- Systematic review
- Year
- 2014
- Sample size
- 4,631
- Population
- adults and children
- Intervention
- echinacea
- Outcome
- cold prevention/treatment
- Journal
- Cochrane Database of Systematic Reviews
Citation last checked 2026-06-21.