Wanbury Limited supplies Purified Natural Laxative Tablet. Wanbury Limited manufactures a wide range of Active Pharmaceutical Ingredients and formulations in various Therapeutic areas. The Purified Natural Laxative Tablet available in the brand name "Senasof" contains purified and standardized extract of Senna Glucoside in 12 mg and is administered for curing constipation in cardiac and diabetic patients.