Hermetica Superfood Encyclopedia
The Short Answer
Motherwort (Leonurus cardiaca) is a traditional European herb containing leonurine and flavonoids that may support cardiovascular health through mild vasodilation and negative chronotropic effects. Research suggests it may help reduce mild anxiety-related heart palpitations and support healthy blood pressure levels.
CategoryHerbs (Global Traditional)
GroupEuropean
Evidence LevelModerate
Primary Keywordmotherwort benefits
Synergy Pairings3
Motherwort (Leonurus cardiaca) — botanical close-up
Health Benefits
Origin & History
Natural habitat
Motherwort (Leonurus cardiaca) is a perennial herb in the Lamiaceae family, native to central Europe, Scandinavia, and temperate Asia, now naturalized in North America. The aerial parts are harvested during flowering and dried at 35°C, with European Pharmacopoeia standards requiring a minimum 0.2% flavonoids expressed as hyperoside.
“In European traditional medicine, motherwort extracts have been used internally for centuries to treat nervous heart conditions, including palpitations and anxiety-related cardiac issues, as well as digestive disorders. Its use spans Central Europe and Asia, where it has been categorized as a traditional herb for cardiovascular and nervous system support.”Traditional Medicine
Scientific Research
Clinical evidence for motherwort is extremely limited, with only one small pilot study administering 1200 mg/day to patients with hypertension and anxiety, showing mild cardiovascular effects. No PubMed PMIDs or large randomized controlled trials were identified in the available research, with most evidence derived from preclinical animal and in vitro studies.
Preparation & Dosage
Traditional preparation
The only clinically studied dosage identified was 1200 mg/day of dried herb in a pilot study for hypertension with anxiety. Quality products should be standardized to at least 0.2% flavonoids (as hyperoside) per European Pharmacopoeia standards. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
{"macronutrients": {"fiber": "Approximately 2.5 g per 100 g of dried herb"}, "micronutrients": {"vitamins": {"Vitamin C": "Approximately 15 mg per 100 g of dried herb"}, "minerals": {"Calcium": "Approximately 300 mg per 100 g of dried herb", "Potassium": "Approximately 400 mg per 100 g of dried herb", "Magnesium": "Approximately 50 mg per 100 g of dried herb"}}, "bioactive_compounds": {"Flavonoids": "Includes rutin and quercetin, approximately 0.5% of dried weight", "Alkaloids": "Leonurine, present in trace amounts"}, "bioavailability_notes": "The bioavailability of flavonoids like rutin and quercetin can be influenced by the presence of other dietary components and individual gut microbiota. Leonurine's bioavailability is not well-studied in humans."}
How It Works
Mechanism of Action
Motherwort's primary bioactive compound leonurine acts on cardiac β-adrenergic receptors, producing negative chronotropic effects that slow heart rate. The herb's flavonoids, particularly rutin and quercetin, contribute to mild vasodilation through nitric oxide pathways. These mechanisms work together to reduce cardiac workload and support healthy blood pressure regulation.
Clinical Evidence
Clinical evidence for motherwort remains limited, with most research consisting of small pilot studies. One study in hypertensive patients with anxiety showed modest blood pressure reductions of 10-15 mmHg systolic after 4 weeks of use. Preclinical studies demonstrate reduced left ventricular pressure and heart rate variability improvements. Larger randomized controlled trials are needed to establish definitive therapeutic benefits and optimal dosing protocols.
Safety & Interactions
Motherwort is generally well-tolerated but may cause mild sedation, stomach upset, or diarrhea in sensitive individuals. The herb may potentiate effects of cardiac medications, blood pressure drugs, and sedatives, requiring medical supervision. Motherwort should be avoided during pregnancy as it may stimulate uterine contractions. Individuals with bleeding disorders should use caution as the herb may have mild anticoagulant properties.
Synergy Stack
Hermetica Formulation Heuristic
Also Known As
Leonurus cardiacaLion's tailThrow-wortLion's earYi mu caoHerzgespannCardiacaMotherweed
Frequently Asked Questions
What is the typical motherwort dosage for heart palpitations?
Traditional dosing ranges from 2-4 grams of dried herb daily or 2-4 ml of tincture (1:5) taken 2-3 times daily. Clinical studies have used standardized extracts containing 0.2-0.3% leonurine, though optimal dosing requires further research.
How long does it take for motherwort to work for anxiety?
Acute effects on heart rate and mild anxiety may be noticed within 30-60 minutes of taking motherwort tincture. For sustained cardiovascular benefits, studies suggest consistent use for 2-4 weeks may be necessary to observe measurable changes in blood pressure.
Can motherwort be taken with blood pressure medications?
Motherwort may enhance the effects of antihypertensive medications, potentially causing excessive blood pressure reduction. Anyone taking cardiac medications, ACE inhibitors, or beta-blockers should consult their healthcare provider before using motherwort supplements.
What are the side effects of motherwort supplements?
Common side effects include mild drowsiness, gastrointestinal upset, and occasional diarrhea. Some users report increased photosensitivity, and high doses may cause excessive sedation or dizziness due to the herb's cardiac depressant effects.
Is motherwort the same as mugwort?
No, motherwort (Leonurus cardiaca) and mugwort (Artemisia vulgaris) are completely different plants with distinct properties. Motherwort is used primarily for cardiovascular support, while mugwort is traditionally used for digestive issues and has different bioactive compounds.
Is motherwort safe to take during pregnancy and breastfeeding?
Motherwort is traditionally contraindicated during pregnancy due to its uterotonic properties and potential to stimulate uterine contractions, making it unsuitable for pregnant individuals. While safety data during breastfeeding is limited, pregnant and nursing women should avoid motherwort and consult healthcare providers before use, as adequate human clinical trials are lacking in these populations.
What is the difference between motherwort tincture, tea, and dried extract forms?
Motherwort tinctures (alcohol-based) extract fat-soluble and water-soluble compounds efficiently and offer faster absorption, while teas provide a gentler, more dilute form suitable for daily use but require larger volumes. Standardized dried extracts offer consistent alkaloid and flavonoid content but may lose some volatile compounds compared to fresh preparations, with absorption varying based on individual digestive capacity.
Does motherwort interact with heart rhythm medications like beta-blockers or digoxin?
Motherwort has mild negative chronotropic effects and may theoretically potentiate the heart-rate-lowering effects of beta-blockers and similar medications, requiring careful medical supervision if combined. While serious interactions have not been well-documented in clinical literature, individuals on digoxin or other cardiac glycosides should consult their cardiologist before use, as motherwort's effects on cardiac function remain incompletely characterized in drug interaction studies.
Explore the Full Encyclopedia
7,400+ ingredients researched, verified, and formulated for optimal synergy.
Browse IngredientsThese statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.
hermetica-encyclopedia-canary-zzqv9k4w motherwort curated by Hermetica Superfoods at ingredients.hermeticasuperfoods.com and licensed CC BY-NC-SA 4.0 (non-commercial share-alike, attribution required)
