Senna is most commonly used as a laxative - Cassia Angustifolia Medicinal Values: Its cathartic effects can be obtained from a tea prepared from 1 or 2 teaspoons of dried leaves. Senna’s use in treating constipation is well documented. It is one of the most popular laxatives, especially in elderly patients. Packing Size - 5 Kgs / 10 Kgs / 25 Kgs