Senokot-S® Natural Vegetable Laxative Ingredient + Stool Softener Tablets Dual Action. Effective, comfortable overnight relief. Standardized senna concentrate. Docusate sodium. Gentle, dependable overnight relief. Comfort promise: Purified senna. Uses: Relieves occasional constipation (irregularity). Generally produces a bowel movement in 6-12 hours. The Senokot-S® Laxative Comfort Promise® : For your comfort, the active ingredient in Senokot-S Laxatives is always purified senna, manufactured to high quality standards. Other information: Each tablet contains: Calcium 10mg, sodium 4 mg, very low sodium. If you have comments or questions about Senokot-S® Tablets, please Call toll-free 1-888-726-7535 (8am-5pm EST, Mon.-Fri.). Visit our website: www.senokot.com. ©2016, Purdue Products L.P.