
Stephania tetrandra
Also known as Stephania Root, Fourstamen Stephania, fáng jǐ, fěn fáng jǐ.
Han Fang Ji acts primarily as: Anti-inflammatory, Analgesic, Diuretic, Antihypertensive, Calcium-channel blocking, Antifibrotic, Immunomodulatory (tetrandrine). Secondary actions include Dispel wind-damp, Promote urination and reduce edema, Unblock painful obstruction, Relieve pain.

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| Preparation | As written | Metric |
|---|---|---|
| Dried root decoction | Dried root decoction: 4.5-9 g/day | 4500-9000 mg |
| Tincture (1:5) | Tincture (1:5): 2-4 ml three times daily | 2-4 mL |
| Powder/capsule | Powder/capsule: 1-2 g/day | 1000-2000 mg |
Doses are reproduced from the sources for practitioners and are not a recommendation for any person.
primary-actions. Han Fang Ji acts primarily as: Anti-inflammatory, Analgesic, Diuretic, Antihypertensive, Calcium-channel blocking, Antifibrotic, Immunomodulatory (tetrandrine). Secondary actions include Dispel wind-damp, Promote urination and reduce edema, Unblock painful obstruction, Relieve pain.
indications. Han Fang Ji is traditionally indicated for: Wind-damp painful obstruction (arthralgia), Hot, swollen, painful joints, Edema and ascites, Leg swelling and difficulty walking, Hypertension, Damp-heat in the lower limbs, Rheumatoid arthritis, Silicosis (tetrandrine, studied).
dose-reference. Reference preparation/dosing for Han Fang Ji: Dried root decoction: 4.5-9 g/day; Tincture (1:5): 2-4 ml three times daily; Powder/capsule: 1-2 g/day; Verify botanical identity before use
safety-cautions. Han Fang Ji - Contraindications: CRITICAL: use only true Han Fang Ji (Stephania tetrandra). Do NOT substitute Guang Fang Ji (Aristolochia fangchi), which contains nephrotoxic and carcinogenic aristolochic acid and has caused fatal kidney disease from mislabeling, Spleen deficiency with poor appetite, Yin deficiency without damp, Pregnancy caution | Side effects: Generally well tolerated when correctly sourced, GI upset, Important: aristolochic-acid-containing adulterants/substitutes cause irreversible nephropathy - source verified Stephania tetrandra only.
Han Fang Ji stands in 33 documented formulas in the library, among them j jião lì huáng wán, shũ jing huo xuè tàng, xião xù mìng tàng, èr jia jiǎn zhèng gì sǎn, jia wèi èr miào wán, fáng jĩ huáng qi tàng.

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