Yang Tonics
Suo Yang: Chinese Herb Guide

Name
Suo Yang (Herba Cynomorii)
The Effect of Suo Yang
Property
Sweet, warm; kidney, liver and large intestine meridians entered.
Actions
Tonify kidney, invigorate yang, moisten intestine to smooth stool.
Indications
Kidney yang deficiency, blood essence deficiency, dryness in intestine and constipation.
Dosage and Administrations
Decoct 5~15 g.
Cautions
It is contraindicated in cases of yin deficiency with effulgent fire, diarrhea due to spleen deficiency, constipation of excess heat type.
Sources and further reading
We cite classical materia medica and modern reference works. This article is health education, not medical advice.
- Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
- Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
- Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
- NCCIH and WHO reference material on traditional medicine safety.
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