🏮Taoist Herbal Medicine

Motherwort (Yi Mu Cao)

Leonurus japonicus

About Motherwort (Yi Mu Cao)

Motherwort (Yi Mu Cao) (Leonurus japonicus) is a herb used in the Taoist Herbal Medicine tradition to help with Menstrual Issues, Postpartum, Heart Health, and High Blood Pressure, among 1 other condition it addresses. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Leonurus japonicus, commonly called Oriental motherwort or Chinese motherwort, is a herbaceous flowering plant native to Asia, including Korea and Japan, and China to Cambodia.

Source: Wikipedia, via iNaturalist

Parts used

Aerial Parts · internalLeaves · internal
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Tea / Infusion

1–3 cups daily
  • Steep 1–2 tsp of dried Motherwort (Yi Mu Cao) in freshly boiled water for 5–10 minutes.
  • Cover while steeping.
  • Strain and drink.
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Tincture

20–40 drops in water, 2–3× daily
  • Pack dried Motherwort (Yi Mu Cao) into a jar and cover with 40–60% alcohol.
  • Seal and steep for 4–6 weeks, shaking daily.
  • Strain and store in a dark dropper bottle.
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Powder / Capsule

500 mg – 1 g, 1–3× daily
  • Grind dried Motherwort (Yi Mu Cao) into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.

Contraindications

  • Pregnancy — may stimulate uterine contractions (avoid entirely)
  • Children under 12 — therapeutic dosage not established
  • Pre-surgery — discontinue at least 2 weeks prior (potential antiplatelet effect)
  • Significant kidney impairment — diuretic herbs may worsen renal function

Warnings

⛔ Pregnancy & Breastfeeding

Avoid use during pregnancy or breastfeeding unless under direct supervision of a qualified healthcare provider.

⛔ Heart & Blood Pressure Medications

May interact with antihypertensive drugs, blood thinners, or cardiac medications. Do not combine without medical guidance.

⚠️ Kidney Disease

Some diuretic herbs are contraindicated in those with kidney disease. Consult your doctor if you have impaired kidney function.

⚠️ Allergic Reactions

Discontinue immediately if you experience rash, itching, swelling, or difficulty breathing.

⚠️ Not Medical Advice

This information is for educational purposes only. Always consult a qualified healthcare provider before using herbal remedies.

Where to find in nature

Native region

Various global regions

Climate

Varied

Habitat

Cultivated in traditional medicinal gardens, botanical gardens, and herb farms worldwide

🌿 To see Motherwort (Yi Mu Cao) growing, visit botanical gardens, university plant collections, or specialist herb nurseries near you. If foraging in the wild, always work with an expert identifier — never consume a plant you are not 100% certain of.

Where to buy

In store

  • Health food stores (Whole Foods, Natural Grocers, Holland & Barrett, GNC)
  • Naturopathic clinics and integrative medicine practices
  • Specialist herbal apothecaries and herbalist practices
  • Farmers markets with herb vendors

Online

iHerb

Wide selection of standardised extracts, capsules, and powders with lab testing

Mountain Rose Herbs

Premium bulk dried herbs — certified organic, ethically sourced

Starwest Botanicals

Large selection of certified organic bulk herbs and powders

Herb Pharm

High-quality liquid extracts and tinctures, rigorous quality standards

Amazon

Convenient — verify brand certifications and check third-party testing

Etsy

Small-batch artisan herbalists, hand-harvested and wildcrafted herbs

Quality tips

When buying Motherwort (Yi Mu Cao), look for: certified organic labelling, clearly stated country of origin, third-party lab testing for heavy metals and pesticides, and a batch expiry date. Standardised extracts offer consistent dosing; bulk dried herbs are more economical for regular use. Avoid very cheap, unlabelled products — quality varies enormously.