Arkochim / Arkocápsulas Sen 50 capsules. Cassia angustifolia Vahl. The stimulant laxative. Description: Sen cultivation is widespread in India, hence it also be known as a sin of India or Tinnevelly. Properties: Senna leaves have a laxative action at the recommended dose. This effect occurs after about eight hours. Its mechanism of action translates into a higher motor colon and stool volume due to partial inhibition of water absorption at the colon, allowing better hydration of stools. Senna is an effective treatment for occasional constipation. Use is discouraged in children. If adult treatment should not exceed ten days. However, if you want to retrain the bowel so as to recover the normal intestinal transit, you will need a plant rich in fibers such as plantago. Constipation. Lazy bowel. Composition: Each capsule contains 220 mg of powder of senna leaves criomolido with a higher rating than 2.5% of sennosides.