Chaihu Shugan Wan (Chinese: 柴胡舒肝丸) is a blackish-brown honeyed pill used in Traditional Chinese medicine to "disperse stagnated liver-qi, to activate the flow of qi, to relieve distension and pain". It is used in cases where there is "stagnation of liver qi, distension of chest and hypochondria, indigestion, and acid eructation".
References
Chaihu Shugan Wan Wikipedia(Text) CC BY-SA