General Dosage
160-900mg standardized hawthorn extract daily
Maximum dose: 1800mg/day (well-tolerated in clinical trials)
Hawthorn Berry Dosage Guide
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Dosage Recommendations
General recommendation: 160-900mg standardized hawthorn extract daily
Timing: Divide into 2-3 doses throughout the day • Take with food for best absorption.
Dosage by Condition
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Mild heart failure (NYHA II) | 300-900mg WS 1442 daily in divided doses | Strong |
| Blood pressure support | 1200mg hawthorn extract daily | Moderate |
| General cardiovascular wellness | 160-480mg daily | Moderate |
Upper limit: 1800mg/day (well-tolerated in clinical trials)
Timing & Absorption
Divide into 2-3 doses throughout the day
Best taken with food for optimal absorption.
References
- Pittler MH, Guo R, Ernst E (2008). Hawthorn extract for treating chronic heart failure. Cochrane Database of Systematic Reviews. DOI PubMed
- Holubarsch CJ, Colucci WS, Meinertz T, Gaus W, Tendera M (2008). The efficacy and safety of Crataegus extract WS 1442 in patients with heart failure: the SPICE trial. European Journal of Heart Failure. DOI PubMed
- Walker AF, Marakis G, Simpson E, Hope JL, Robinson PA, Hassanein M, Simpson HC (2006). Hypotensive effects of hawthorn for patients with diabetes taking prescription drugs: a randomised controlled trial. British Journal of General Practice. PubMed