Choleretic APIs are a class of compounds that promote bile secretion and are divided into choleretics and fluid-increasing choleretics. Cholagogues refer to drugs that promote bile secretion, while hydrocholinergics refer to drugs that only increase bile capacity but not bile composition. Currently, the commonly used choleretic APIs are mainly bile acids. Protheragen-ING provides a full range of choleretic APIs to support global customers' research, including sodium cholate, dehydrocholic acid, chenodeoxycholic acid, ursodeoxycholic acid, etc.