Motherwort
Use with Caution

Motherwort

Leonurus cardiaca
Lion's TailThrow-wortLion's Ear

Important Disclaimer

This is not medical advice. Consult a qualified healthcare provider before using any remedy, especially if pregnant, breastfeeding, on medication, or managing a health condition.

Overview

A bitter herb from the mint family, traditionally used to calm heart palpitations, ease anxiety, support menstrual health, and promote emotional balance. Used in Chinese medicine (Yi Mu Cao) for over 2,000 years and valued in European herbalism for "gladdening the heart."

Traditional Use

The name 'motherwort' reflects its traditional use for women's health, particularly during childbirth and menopause. Chinese medicine (Yi Mu Cao) has used it for over 2,000 years for menstrual and cardiovascular support. European herbalists valued it for 'gladdening the heart' and easing anxiety. It was a staple in every European herb garden for heart and nervous system complaints.

Key Active Compounds

Leonurine

Unique alkaloid with uterine-toning, cardiovascular-supporting, and neuroprotective properties. Helps regulate heart rhythm and supports emotional balance.

Iridoid Glycosides

Including leonuride, providing anti-inflammatory, antioxidant, and cardiovascular-protective effects.

Flavonoids

Including rutin and quercetin, supporting cardiovascular health, reducing inflammation, and providing antioxidant protection.

Bitter Principles

Stimulate digestive function and provide mild sedative effects on the nervous system.

Evidence-Based Benefits

Heart Palpitation Relief

Some studies

Calms rapid or irregular heartbeat, particularly when related to anxiety, stress, or hormonal changes. Supports healthy heart rhythm.

Anxiety & Stress Relief

Traditional use

Gentle nervine properties calm the nervous system, reduce anxiety, and promote emotional balance without causing drowsiness.

Women's Health Support

Traditional use

Regulates menstrual cycles, eases menstrual cramps, supports postpartum recovery, and helps with menopausal symptoms including hot flashes.

Cardiovascular Support

Some studies

Supports healthy blood pressure, improves circulation, and provides antioxidant protection to cardiovascular tissues.

Common Preparation Methods

Infusion (Tea)

Steep 1-2 teaspoons dried herb in 1 cup hot water for 10-15 minutes. Strain and drink. Very bitter — honey recommended.

Dosage: 2-3 cups daily

Evening use for anxiety and sleep support.

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Tincture (Preferred)

Take 2-4 ml of 1:5 tincture in water, 2-3 times daily. Tincture is more palatable than tea.

Dosage: 2-4 ml, 2-3x daily

As needed for palpitations or anxiety.

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Capsules

Take 300-500 mg dried herb in capsule form, 2-3 times daily.

Dosage: 300-500 mg, 2-3x daily

Convenient option for those who dislike the bitter taste.

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Glycerite

Take 3-5 ml glycerite (sweeter than tincture), 2-3 times daily.

Dosage: 3-5 ml, 2-3x daily

Good alcohol-free alternative with a more pleasant flavor.

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Safety & Cautions

Please read carefully before use

Contraindications

  • Pregnancy (stimulates uterine contractions — AVOID)
  • Heavy menstrual bleeding (may increase)
  • Bradycardia (slow heart rate)
  • Hypothyroidism (may interfere with thyroid function)
  • Scheduled surgery (discontinue 2 weeks before)

Drug Interactions

  • May enhance effects of heart medications (beta-blockers, calcium channel blockers)
  • May interact with thyroid medications
  • May enhance effects of sedative medications
  • Theoretical interaction with anticoagulants

Possible Side Effects

  • Generally well-tolerated
  • Common: very bitter taste (not harmful)
  • Possible: mild digestive upset, diarrhea with high doses
  • Rare: uterine cramping, skin sensitivity to sunlight

Special Populations

  • STRICTLY AVOID during pregnancy due to uterine-stimulating effects
  • Safe for postpartum use (after delivery) and menopause
  • Start with low doses due to bitter taste
  • Consult healthcare provider if you have heart conditions or take cardiac medications

Sources & References

Quick Reference

Family / Type:

Lamiaceae (Mint family)

Parts Used:

Aerial parts (leaves and flowers)

Taste / Profile:

Very bitter, slightly pungent

Safety First

Always consult with a qualified healthcare provider before starting any new remedy, especially if you have existing health conditions or take medications.