Cholagogues and choleretics
Cholagogues promote the production of bile in the liver. A cholereticis a type of cholagogue that promotes the release of bile from the gall bladder into the duodenum. Cholagogues have an alterative and laxative effect. Cholagogues are contra-indicated if there is acute liver failure, obstructive jaundice, painful gallstones or cholecystitis. Examples include Celandine leaf (Chelidonium majus), Barberry root (Berberis vulgaris), Dandelion root and leaf (Taraxacum officinalis root), and Blue Flag root (Iris versicolor).