Senna is a native plant to North Africa, and both seeds and leaf extract is used in herbal medicine. It is primarily known for its stomach cleansing properties, it works as a natural laxative and is often consumed in a pill, capsule, or tea format. Senna tea and supplements are found in the herbal section of many health food and grocery stores.

Senna is a nonprescription laxative approved by FDA for use.
It is also used for hemorrhoids, irritable bowel syndrome (IBS), and weight loss.
Senna fruit is gentler than senna leaf. Senna leaf extract contains important chemicals called as sennosides.  These chemical irritates the lining of the bowel, which causes a laxative effect. Sena leaf extract is also act as anti-parasitical agent, and anti-inflammatory agent, thus senna leaf extract founds various applications in pharmaceutical as well as in herbal medicine and market demand is expected to grow significantly. 

1. Cathartic effect: senna infusion contains anthraquinone derivatives, its cathartic effect and            irritation more than other laxatives.
2. Antibacterial inhibition: senna extract alcohol resistant variety of bacteria such as staphylococcus, diphtheria bacillus, typhoid bacillus, paratyphoid bacillus, and escherichia coli, the water extract useful only for Salmonella typhi.
3. Hemostasis: senna powder can increase platelet and fibrinogen, reduced clotting time, recalcification time, prothrombin time and blood clot contraction time, help to stop the bleeding 
4. Muscle relaxation: senna can block acetylcholine at the motor nerve terminals and skeletal joints, so that muscle relaxation.