Huáng Lián (黄连) — Coptis Rhizome (Goldthread)
On this page
- Overview
- Properties
- Actions and indications
- Key formulas
- Modern research
- Cautions and contraindications
- Treatment at my clinic
1. Overview
Huáng Lián (黄连) — Coptis chinensis — is known in English as Coptis rhizome / Goldthread. It belongs to the category of Herbs that clear Heat and dry Dampness in the Chinese Materia Medica and is one of the most important and widely prescribed herbs in traditional Chinese medicine (TCM). It is used in Chinese herbal medicine both as a component of classical herbal formulas and as a significant individual herb in tailored prescriptions.
I prescribe Huáng Lián as part of bespoke herbal formulas from pharmaceutical-grade granules sourced from Sun Ten in Taiwan — independently tested to the highest international quality and safety standards. Herbs are never prescribed individually outside a properly balanced formula; they are always combined with other herbs selected to match the patient’s individual TCM pattern. Online consultations are available for patients who cannot attend my clinic in person.
2. Properties
| Pinyin name | Huáng Lián |
|---|---|
| Chinese characters | 黄连 |
| Latin name | Coptis chinensis |
| English name | Coptis rhizome / Goldthread |
| Nature | Cold |
| Flavour | Bitter |
| Channels entered | Heart, Liver, Stomach, Large Intestine |
| Category | Herbs that clear Heat and dry Dampness |
3. Actions and indications
Principal actions
- Clears Heat and dries Dampness
- Drains Fire and resolves toxicity
- Clears Heart Fire and calms the spirit
- Clears Stomach Fire and stops vomiting
- Kills parasites and amoebae
Indications
- Damp-Heat in the Stomach and Intestines with diarrhoea, dysentery and gastroenteritis
- High fever, agitation, insomnia and restlessness from Heart Fire
- Nausea and vomiting from Stomach Heat
- Acne, boils and skin infections from Heat and Toxin
- Diabetes-equivalent patterns from Stomach Fire
- Sperm DNA fragmentation — clears the Damp-Heat generating oxidative sperm damage
4. Key formulas containing Huáng Lián
Huáng Lián is an ingredient in many classical formulas. The following are among the most important:
See the full Chinese herbal medicine formula directory for detailed information on all 70 classical formulas.
5. Modern research
Coptis chinensis (Huang Lian) is one of the most potent antimicrobial herbs in the Chinese Materia Medica. Its primary bioactive constituent is berberine, one of the most extensively studied natural compounds in modern pharmacology. Research confirms that berberine has broad-spectrum antimicrobial activity against bacteria, viruses and fungi; improves insulin sensitivity and lowers blood glucose (comparable to metformin in some studies); reduces LDL cholesterol; has anti-inflammatory and antioxidant effects; improves PCOS hormonal profiles including reducing androgens and LH; and has anti-cancer properties. Clinical trials have confirmed berberine’s efficacy in type 2 diabetes, PCOS, dyslipidaemia and inflammatory bowel disease.
6. Cautions and contraindications
Contraindicated in Cold and deficiency patterns. Avoid prolonged use without tonifying herbs as the cold, bitter nature can damage the Spleen and Stomach. Not recommended during pregnancy. Berberine may interact with certain medications including cyclosporin; inform your prescribing doctor.
Important: Chinese herbs should always be prescribed by a fully qualified herbalist who is a member of the Register of Chinese Herbal Medicine (RCHM). Never self-prescribe or self-administer Chinese herbs without professional guidance. Dr (TCM) Attilio D’Alberto is a member of the RCHM and the British Acupuncture Council with over 25 years of clinical experience.
7. Treatment at my clinic
I prescribe Huáng Lián as part of tailored herbal formulas for a range of conditions including Acne, Digestive disorders, Sperm DNA fragmentation, High blood pressure. Every prescription is individually formulated following a full TCM assessment and adjusted throughout treatment as the pattern responds.
I see patients in person at my clinic in Wokingham, Berkshire. Online Chinese herbal medicine consultations are available for patients throughout the UK and internationally, with herbs dispensed by post. Visit the prices page for consultation fees.
Return to the Chinese herb directory or the Chinese herbal medicine main page.
