Senna is an FDA-approved over-the-counter (OTC) laxative and a great herb. It become better and effective for treating constipation when used in combination with psyllium or docusate sodium. In elderly people, senna plus psyllium is more effective than lactulose for treating ongoing constipation. Mixed with Omersheen herbal formula when added Ajwain, Mulethi, Nishoth, Svarjiksara and Haritaki it becomes more effective and provides many other benefits apart from treating constipation like stomach pain, good for kidney and liver. Boosts and maintains immunity in old age. Protects respiratory order among other benefits.