Po Chai Pills ({zh | t=保濟丸| s=保济丸| hp=bǎo jì wán| first=t}) is a Traditional Chinese Medicine product made from several herbs formed into tiny spherical pills about 4mm in diameter. It is used as a remedy for the relief of indigestion, heartburn, vomiting, diarrhea, and bloating. It can also be used as a hangover prevention remedy. ...