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Xiao-Yao-San

Yu-Ching HSU · FDA-approved active Small molecule

Xiao-Yao-San is a traditional Chinese herbal formula that regulates liver qi stagnation and spleen deficiency to restore emotional and digestive balance.

Xiao-Yao-San is a traditional Chinese herbal formula that regulates liver qi stagnation and spleen deficiency to restore emotional and digestive balance. Used for Liver qi stagnation with spleen deficiency, Stress-related emotional and digestive symptoms, Premenstrual syndrome and menstrual irregularities.

At a glance

Generic nameXiao-Yao-San
SponsorYu-Ching HSU
ModalitySmall molecule
Therapeutic areaMental Health / Digestive Health (Traditional Chinese Medicine)
PhaseFDA-approved

Mechanism of action

This classical herbal combination works by promoting the free flow of liver qi, strengthening spleen function, and harmonizing the body's energy systems according to traditional Chinese medicine theory. It is traditionally used to address stress-related symptoms, mood disturbance, and digestive complaints that arise from emotional constraint and constitutional weakness.

Approved indications

Common side effects

No common side effects on file.

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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