Type of Study Human Clinical Study
Randomized, Double-Blind Placebo-Controlled Clinical Trial
Study Setup Participants: 312 male and female Duration:2 weeks Dosage:600 mg -900 mg mg standardised membrane filtered elderberry extract
Key findings

The data showed a significant reduction of cold duration and severity in air travellers.

35% less infections
1/3 shorter duration of the cold occurrence
Reduction in severity of cold symptoms
3 times better overall health

Authors Evelin Tiralongo, Shirley S. Wee, Rodney A. Lea
Organisation School of Pharmacy, Griffith University, Queensland, Australia Menzies Health Institute Queensland, Griffith University, Queensland, Australia;School of Allied Health Sciences, Griffith University, Queensland, Australia Genomics Research Centre, Institute of Health and Biomedical Innovation,
Queensland University of Technology, Queensland, Australia; 
Full research text Available at : https://link.springer.com/article/10.1007%2Fs00421-004-1279-y