About Forsythia
TCM herb (Lian Qiao) used traditionally as a 'heat-clearing' antimicrobial, typically in multi-herb cold/flu formulas (e.g. Shuang Huang Lian). Contains forsythiaside and lignans with in-vitro antioxidant/antiviral activity; isolated human clinical evidence is minimal.
What Forsythia supports
- Traditional cold/flu formula herb with in-vitro antioxidant activity
How much Forsythia to take
The RDA prevents deficiency. The effective range is what clinical trials used to actually move the outcome.
Effective
100–1000
mg
No established therapeutic dose; nominal range for a TCM blend component.
Clinical evidence
Limited clinical evidence. Traditional/in-vitro; little isolated human data.