This formula is based on a modification of Zhang Zhong-jing's Xiao Chai Hu Tang (Minor Bupleurum Decoction) from his late Han dynasty Shang Han Lun (Treatise on Damage [Due to] Cold). It was created by Gan Guo-dong and Huang Qiu-xing from the Shunde Municipal Integrated Chinese-Western Medical Hospital. Blue Poppy's version is a 9:1 extract, 500mg capsules.

Pattern discrimination:

Liverspleen disharmony with dampness pouring downward. Liver depression has resulted in depressive heat affecting the functions of the stomach, heart, and lungs, while spleen qi vacuity has resulted in nonconstruction of the heart spirit and failure to upbear the clear.