Botanical illustration of a Black Haw branch with serrated green leaves and a cluster of tiny white flowers.

Black Haw

Also known as: Sweet Haw, Nannybush, Stagbush, Viburnum prunifolium

Black Haw, scientifically known as *Viburnum prunifolium*, is a herbal supplement derived from the bark of a small tree native to the southeastern United States. Traditionally used by Native American tribes, Black Haw has been employed for its medicinal properties, particularly in women's health. It has a long history of use as a natural remedy for menstrual cramps, menopause symptoms, and to prevent miscarriages. The active compounds in Black Haw, such as viburnin, scopoletin, and tannins, are believed to contribute to its antispasmodic and anti-inflammatory effects, making it beneficial for ...

Potential Side Effects

Side effects score: 3; Black Haw is a herbal supplement that is generally considered safe for most people when taken in recommended amounts, but it can cause some side effects. Commonly reported side effects include mild stomach upset, nausea, or skin rash. In rare cases, it may cause more serious reactions like allergic responses, which could manifest as difficulty breathing or swelling. Pregnant

Health Categories

View efficacy ratings for Black Haw across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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