Elderberry for prevention and treatment of viral respiratory illnesses: a systematic review.

BMC Complementary Medicine and Therapy, 2021
https://pubmed.ncbi.nlm.nih.gov/33827515/
- While this presents itself as a meta-analysis, all of the original study findings have already been summarized in the clinical trials summary document
- This paper provides a rigorous review of study quality of the above mentioned clinical trials. All the studies are evaluated as being generally quite strong except for concerns about attrition / incomplete data.
· There is also a lower risk of adverse effects from elderberry compared to osteltamivir (antiviral).