
Isatis tinctoria
Also known as Dyer's woad, Woad Root, Ban Lan Gen, Isatis Root, bǎn lán gēn, běi bǎn lán gēn, dà qīng yè.
Traditional TCM herb for clearing heat and toxins used short-term for acute conditions root (Ban Lan Gen) distinguished from leaf (Da Qing Ye) review enters Lung, Heart, Stomach channels 1st Chinese Herbs to decoction 9-30g, granules ~20g/day

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| Preparation | As written | Metric |
|---|---|---|
| Dried root: 1-2 g daily divided doses | 1000-2000 mg | |
| Decoction: 9-15 g leaf or root | 9000-15000 mg | |
| Tincture: 9-15 ml daily (Alternative Medicine | 9-15 mL | |
| Decoction: 9-30g/day | 9000-30000 mg | |
| Granules: 20g/day (10g x 2) | 20000-20000 mg | |
| Tincture: 2-5ml/day | 2-5 mL |
Doses are reproduced from the sources for practitioners and are not a recommendation for any person.
Clinical Notes. Traditional TCM herb for clearing heat and toxins used short-term for acute conditions root (Ban Lan Gen) distinguished from leaf (Da Qing Ye) review enters Lung, Heart, Stomach channels 1st Chinese Herbs to decoction 9-30g, granules ~20g/day
primary-actions. Woad Root acts primarily as: Antiviral, Antibacterial, Anti-inflammatory, Alterative, Refrigerant. Secondary actions include Immunomodulator, Antipyretic, Cholagogue.
indications. Woad Root is traditionally indicated for: Mouth and tongue ulcers, Upper respiratory infection, Measles, Mumps, Encephalitis B, Parotitis, Gallbladder heat, Skin infection, Flu, Bacterial infections, Carbuncles, Epidemic myelitis, Viral infections, Epidemic cerebrospinal meningitis, Diphtheria, and 21 further conditions.
indications. Woad is traditionally indicated for: Upper respiratory infection, Mumps, Prostate cancer, Erysipelas, Scarlet fever, Gastroenteritis, Pharyngitis, Laryngitis, Flu, Encephalitis, Carbuncles, Tumours, Viral infections, Mononucleosis, Diphtheria, and 16 further conditions.
Woad stands in 13 documented formulas in the library, among them shén xi dân, xiè gân tāng, pù jì xiào dú yin.

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