Xiangsha Yangwei Wan (simplified Chinese: 香砂养胃丸; traditional Chinese: 香砂養胃丸) is a black pill with a dark brown core, and is used in Traditional Chinese medicine to "regulate the function of the stomach".
[1] It is slightly aromatic and tastes pungent and slightly bitter.
It is used when there are symptoms of "anorexia, vomiting of acid fluid, epigastric distension and lassitude".