
Allium tuberosum
Also known as Jiu Cai (herb), Chinese Chives, Garlic Chives, jiǔ cài zǐ.
Jiu Zi (seed) acts primarily as: Kidney-yang tonic, Aphrodisiac, Astringent (secures essence), Warming digestive, Antioxidant, Antimicrobial, Circulatory stimulant. Secondary actions include Tonify and warm Kidney yang, Secure essence and contain urine, Warm the middle, Invigorate and astringe.

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| Preparation | As written | Metric |
|---|---|---|
| Dried seed decoction (Jiu Zi) | Dried seed decoction (Jiu Zi): 3-9 g/day | 3000-9000 mg |
| Tincture (1:5) | Tincture (1:5): 2-4 ml three times daily | 2-4 mL |
| Powder/capsule | Powder/capsule: 1-3 g | 1000-3000 mg |
Doses are reproduced from the sources for practitioners and are not a recommendation for any person.
primary-actions. Jiu Zi (seed) acts primarily as: Kidney-yang tonic, Aphrodisiac, Astringent (secures essence), Warming digestive, Antioxidant, Antimicrobial, Circulatory stimulant. Secondary actions include Tonify and warm Kidney yang, Secure essence and contain urine, Warm the middle, Invigorate and astringe.
indications. Jiu Zi (seed) is traditionally indicated for: Kidney-yang deficiency, Impotence, spermatorrhea and nocturnal emission, Premature ejaculation, Frequent or dribbling urination and enuresis, Cold, sore weak low back and knees, Cold-deficiency abdominal pain and diarrhea, Leukorrhea from cold, Low libido.
dose-reference. Reference preparation/dosing for Jiu Zi (seed): Dried seed decoction (Jiu Zi): 3-9 g/day; Tincture (1:5): 2-4 ml three times daily; Powder/capsule: 1-3 g; Leaf used culinarily and medicinally as a warming yang food
safety-cautions. Jiu Zi (seed) - Contraindications: Yin deficiency with heat or vigorous fire, Heat patterns, Use cautiously where there are strong heat signs, The pungent leaf may aggravate reflux | Side effects: Generally well tolerated, Pungency may cause GI upset or reflux in sensitive individuals.
Jiu Zi (seed) stands in 3 documented formulas in the library, among them zàn yù dàn.

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