🌸Korean Traditional Medicine

Ligustrum (Yejangsu)

Ligustrum lucidum

About Ligustrum (Yejangsu)

Ligustrum (Yejangsu) (Ligustrum lucidum) is a herb used in the Korean Traditional Medicine tradition to help with Immune Support, Hair Loss, Eye Health, and Fatigue. The aerial parts and leaves are the parts traditionally used, taken internally.

Botanical background

Ligustrum lucidum (broad-leaf privet, Chinese privet glossy privet, tree privet or wax-leaf privet) is a species of privet (Ligustrum genus), a flowering plant in the olive family, Oleaceae, native to the southern half of China and naturalized in many places: Spain, Italy, Algeria, Canary Islands, New Zealand, Lesotho, South Africa, Japan, Korea, Australia, Norfolk Island, Chiapas, Central America, Argentina, and the southern United States (California, Arizona, Maryland, and the southeast from Texas to North Carolina). The...

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 Ligustrum (Yejangsu) 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 Ligustrum (Yejangsu) 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 Ligustrum (Yejangsu) into a fine powder.
  • Fill size 00 capsules or stir into smoothies or honey.

Contraindications

  • Pregnancy & breastfeeding — insufficient safety data; consult your doctor
  • Children under 12 — therapeutic dosage not established
  • Autoimmune conditions (lupus, MS, RA) — may overstimulate immune response

Warnings

⚠️ Pregnancy & Breastfeeding

Safety during pregnancy and breastfeeding has not been established for most herbal remedies. Consult your midwife or doctor before use.

⚠️ 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

Korea, China, Japan

Climate

Temperate

Habitat

Mountain forests, hillside farmland, and traditional herb gardens of the Korean peninsula

🌿 To see Ligustrum (Yejangsu) 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 Ligustrum (Yejangsu), 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.