Senna Extract contains calcium sennosides. Sennosides are used to treat constipation. They may also be used to clean out the intestines before a bowel examination/surgery. Sennosides are known as stimulant laxatives. They work by keeping water in the intestines, which causes movement of the intestines. We can provide you superior quality, Lightest colour, impurities free and export grade product with the best possible pricing.