Sunday, 26 March 2023, 12:20 PM
Site: Dr Dílis Clare's Academy of Herbal Medicine
Course: Dr Dílis Clare's Academy of Herbal Medicine (AHM)


(Last edited: Monday, 30 March 2015, 10:17 PM)

motherwortAlso Known As:

Leonuri cardiacae herba, Mother's Wort.

Scientific Name:

Leonurus cardiaca.

Family: Lamiaceae/Labiatae.

People Use This For:

Motherwort is used for heart symptoms of anxiety, cardiac insufficiency, fast heart rate or other irregular heart beats, absence of periods, flatulence, and overactive thyroid. 


No connerns regarding safety when used orally and appropriately.80 

Pregnancy and Lactation:  Refer to a Medical Herbalist.


There is insufficient scientific information available to comment on the effectiveness of motherwort.

Mechanism of Action:

The applicable parts of motherwort are the above ground parts. Motherwort has sedative,81,82 reduces the over-excitability of the heart.  

Adverse Reactions:

None reported.

Interactions with Herbs & Supplements:

None known. 

Interactions with Foods:

None known.

Interactions with Lab Tests:

THYROID FUNCTION: Motherwort might improve thyroid function and thyroid function test results in patients with thyroid overactivity.83 Refer to Medical Herbalist. 


Dr Clare’s Blends: 1 gm per day. 

Oral: 2-4gms/day (British Herbak Pharmacopeia)1983).

Specific References: MOTHERWORT

81.  Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.

80.  McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.

82.  Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

83.  Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.