Senna herb, a medicinal plant contains natural laxative substances, and is a major function to relief from constipation. Senna has been permitted by the US FDA as a nonprescription laxative. Moreover, it also provides an agent that removes toxins from the human body and can aid in weight loss.
 
Note: Herbal results/benefits may vary from person to person and are not a substitute for professional medical advice, diagnosis, or treatment. Harmonious health to you!