constipation

Lactitol (Lactit) is a agent that acts on the gastrointestinal tract.

Casanthranol, a concentrated mixture of anthranol glycosides from the dried bark of Rhamnus p. (cascara sagrada), is a stimulant laxative used to alleviate constipation and other medical conditions by increasing muscle contractions in the intestinal wall to facilitate bowel movements.

Anthraquinone (Anthradione)s are the main active constituents in herbs often used to relieve constipation.

Lactulose (Lactulosum) , a synthetic disaccharide , is used in the treatment of constipation and hepatic encephalopathy.

Sennoside B is an anthranoid. Anthranoid derivatives are used all over the world as a treatment for constipation.