Sambucus nigra — reduces cold/flu duration by 2-4 days. Sambucol® is the original branded extract. Cyanidin-3-glucoside inhibits viral neuraminidase (same target as Tamiflu). Safe with well-characterized mechanism. --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Based on independent third-party laboratory analysis
Category pass rate: ~32% authentic — 68% of elderberry supplements on Amazon don't actually contain elderberry. Substituted with black rice extract.
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.