Monograph
Hawthorn: A Practical Guide
Overview Hawthorn (Crataegus monogyna, C. laevigata, C. oxyacantha) is one of the most important cardiovascular botanicals in European herbal medicine, with documented use for heart health dating to the 10th century. Its berries, leaves, and flowers contain oligomeric procyanidins (OPCs)…
By Kristopher Crawford
·
13 May 2026
·
3 min read
Overview Hawthorn (Crataegus monogyna, C. laevigata, C. oxyacantha) is one of the most important cardiovascular botanicals in European herbal medicine, with documented use for heart health dating to the 10th century. Its berries, leaves, and flowers contain oligomeric procyanidins (OPCs)…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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