Elderberry Supplementation Reduces Cold Duration and Symptoms in Air-Travellers: A Randomized, Double-Blind Placebo-Controlled Clinical Trial.

Nutrients · 2016 · PMC4848651 · PMID 27023596

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showed a trendno p-value reported

However, the survey completed immediately before travel and overseas showed a trend for more placebo participants reporting significant symptoms than elderberry participants, a trend that approaches significance at least for the before travel survey.

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