Research · Randomized controlled trial
Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial
What it found
Among travellers who caught a cold, elderberry roughly halved total symptom duration (57 vs 117 cumulative days) and lowered symptom scores; cold incidence was not significantly different.
- Design
- Randomized controlled trial
- Year
- 2016
- Sample size
- 312
- Population
- economy-class long-haul air travellers
- Intervention
- standardized elderberry extract vs placebo
- Outcome
- cold duration, symptom severity, incidence
- Journal
- Nutrients
Citation last checked 2026-06-21.