Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Bayberry (Myrica cerifera) has a long history of use in traditional herbal medicine, especially in North America. Native American tribes and later European settlers used bayberry root bark as an astringent to help stop external bleeding and to treat wounds. The primary reason for its use in this context is its high tannin content, which provides an astringent effect. Astringents cause contraction of body tissues, which can help reduce bleeding by constricting blood vessels and promoting clot formation at wound sites.

Although bayberry’s use for external bleeding is well documented in ethnobotanical sources and traditional herbal texts, there is limited clinical or laboratory research to support its efficacy or safety for this purpose. The evidence is mainly historical and anecdotal, with most references citing herbalists’ accounts and the plant’s astringent properties. Modern scientific studies directly evaluating bayberry’s effects on bleeding or wound healing are lacking, which is why the evidence is rated as a 2 out of 5. Overall, the use of bayberry for external bleeding rests primarily on traditional knowledge rather than validated scientific evidence.

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