Psyllium is a form of fiber made from the Plantago ovata plant, specifically from the husks of the plantâs seed.It sometimes goes by the name ispaghula. Itâs most commonly known as a laxative. Psyllium provides more benefits to your body than decreasing the amount of time you spend in the bathroom.umerous studies have shown that fiber like psyllium, as part of a healthy diet, can help lower a personâs risk of heart disease. Psyllium can affect your heart by lowering blood pressure, improving lipid levels, and strengthening heart muscle.
Castor Oil. While it's not exactly a food, pregnant women have ingested castor oil to induce labor for centuries. The oil is extracted from the bean of the castor plant. Research studying the efficacy of castor oil as a labor inducer is inconclusive; though some women swear it helped stimulate their contractions.
Oatmeal is one such food that has a natural laxative effect due its high fiber content.Photo Credit Medioimages/Photodisc/Digital Vision/Getty Images. Regular bowel movements, or the removal of waste from the human body, are a part of proper digestion.ther high-fiber foods possessing a laxative effect are artichokes, oatmeal, many whole-grain breakfast cereals, prunes, peas and raspberries, to name a few. Regular black coffee, derived from coffee beans, contains soluble fiber that may soften stool, according to Scientific American contributor Coco Ballantyne.