The active fraction of psyllium seed husk.
An unfermented gel component of psyllium seed husk promotes laxation as a lubricant in humans.
American College of Gastroenterology Monograph on the Management of Irritable Bowel Syndrome and Chronic Idiopathic Constipation
Psyllium is superior to docusate sodium for treatment of chronic constipation.
Diferulates as structural components in soluble and insoluble cereal dietary fibre
Randomized clinical trial of Plantago ovata seeds (dietary fiber) as compared with mesalamine in maintaining remission in ulcerative colitis. Spanish Group for the Study of Crohn's Disease and Ulcerative Colitis (GETECCU).