Psyllium, Plantago ovata, is cultivated in various parts of the world. The seeds, plant, and husks can be used for medicinal purposes. It contains mucilages, fatty oil, iridoids, and proteic substances. Psyllium is a traditional part of folk and Indian medicine. It has been used for a variety of uses such as diarrhea, constipation, hemorrhoids, the gastrointestinal tract, inflammation, as a mild laxative, and more. Psyllium is being studies for cholesterol lowering effects.