Randomized Study of the Efficacy and Safety of Oral Elderberry Extract in the Treatment of Influenza A and B Virus Infections

The Journal of International Medical Research (2004)

https://pubmed.ncbi.nlm.nih.gov/15080016/

•   Randomized clinical trial (RCT) of commercially produced elderberry syrup
•   N=60
•   Subjects taking flu vaccine were excluded from study
•   Subjects were allowed to take antiviral medication and/or nasal spray to help alleviate symptoms
•   Symptoms were relieved an average of 4 days sooner in elderberry group compared to placebo group