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Overview
Si Jun Zi Tang is one of the most foundational formulas in the TCM pharmacopoeia. As the name suggests, it is composed of four "gentleman" herbs — balanced, harmonious, and without harsh extremes. It is the classic formula for Spleen and Stomach Qi deficiency.
Composition
| Herb (Chinese) | Herb (Latin) | Dosage | Function |
|---|---|---|---|
| 人參 Rén Shēn | Radix Ginseng | 9g | Chief: tonifies Yuan Qi, strengthens Spleen and Lung |
| 白朮 Bái Zhú | Rhizoma Atractylodis Macrocephalae | 9g | Deputy: strengthens Spleen, dries Dampness |
| 茯苓 Fú Líng | Poria | 9g | Assistant: leaches out Dampness, strengthens Spleen |
| 炙甘草 Zhì Gān Cǎo | Radix Glycyrrhizae Praeparata | 6g | Envoy: tonifies Qi, harmonizes the other herbs |
Indications
Spleen and Stomach Qi deficiency manifesting as: pale complexion, low and soft voice, reduced appetite, loose stools, weakness and lassitude of the four limbs, pale tongue with white coat, thin and frail pulse.
Actions
Tonifies Qi, strengthens the Spleen and Stomach.
Clinical Notes
This formula serves as the base for many important derivative formulas, including Liu Jun Zi Tang (adds Ban Xia and Chen Pi for Phlegm-Dampness), Xiang Sha Liu Jun Zi Tang, and Bu Zhong Yi Qi Tang.