Synopsis

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

Motherwort (Leonurus cardiaca) has a long history of use in traditional herbal medicine, particularly in Europe and Asia, for various heart-related ailments, including arrhythmia. Traditional practitioners have valued motherwort for its calming effects on the heart and its reputed ability to reduce palpitations and regulate heartbeat. The herb is thought to possess mild sedative, antispasmodic, and hypotensive effects, which may contribute to its traditional use for irregular heart rhythms. Historical texts from Western herbalism and Chinese medicine reference motherwort as a remedy for "palpitations" and "nervous heart," though the precise conditions described may not directly correspond to modern definitions of arrhythmia.

From a scientific perspective, there is preliminary evidence suggesting that motherwort contains compounds (such as leonurine and stachydrine) that may influence cardiac function, including possible antiarrhythmic, vasodilatory, and sedative effects in animal studies and in vitro research. However, robust clinical trials in humans are lacking, and current evidence does not meet the standards required to consider motherwort a proven treatment for arrhythmia. Most of its use for this condition remains rooted in traditional practice, with only low-level scientific support. As a result, while some herbalists may recommend motherwort as a supportive remedy for mild palpitations or stress-related heart symptoms, it should not be relied upon as a primary or sole treatment for arrhythmia, and its use should be discussed with a healthcare provider.

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