General Dosage
300-600mg standardized extract daily (providing 30-60mg andrographolide)
Maximum dose: No established upper limit; doses up to 1200mg/day used in clinical trials without serious adverse effects
Andrographis Dosage Guide
This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer
Dosage Recommendations
General recommendation: 300-600mg standardized extract daily (providing 30-60mg andrographolide)
Timing: Start at first sign of symptoms; divide doses 2-3 times daily; most effective in first 48 hours of illness • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Acute cold/flu treatment | 400-600mg extract daily for 5-7 days | Moderate |
| Preventive immune support | 200-300mg extract daily | Emerging |
| Kan Jang preparation | 340mg SHA-10 3x daily | Moderate |
Upper limit: No established upper limit; doses up to 1200mg/day used in clinical trials without serious adverse effects
Timing & Absorption
Start at first sign of symptoms; divide doses 2-3 times daily; most effective in first 48 hours of illness
Best taken with food for optimal absorption.
References
- Hu XY, Wu RH, Logue M, et al. (2017). Andrographis paniculata (Chuanxinlian) for symptomatic relief of acute respiratory tract infections in adults and children. Cochrane Database of Systematic Reviews. DOI PubMed
- Coon JT, Ernst E (2004). Andrographis paniculata in the treatment of upper respiratory tract infections: a systematic review of safety and efficacy. Planta Medica. DOI PubMed