Parts used: Leaves Properties Anthelmintic and purgative (mild) Primary nutrients Calcium, iron, magnesium, manganese, potassium, selenium, silicon, sodium, vitamins A, B-complex and C, zinc Senna is considered a useful laxative. It increases the intestinal peristaltic movements. It has a strong effect on the entire intestinal tract, especially the colon. Many believe that a clean colon can prevent autointoxication and may be an underlying cause of many diseases. Senna is usually combined with other herbs, such as ginger or fennel, to prevent intestinal cramping and get better results. It should not be used if there is inflammation of the stomach, as it may aggravate the problem. It helps tone and restore the digestive system through cleansing. It has been used throughout history and is still used throughout the world. Senna is a powerful laxative. The anthraquinone glycosides in senna are thought to be responsible for the stimulation of the colon. Laxatives should not be used for extended periods of time.