Clinically proven, Senokot-S Dual Action tablets contain a natural vegetable ingredient plus docusate sodium, a stool softener, for gentle, overnight relief of constipation when taken at bedtime. Senokot-S Dual Action tablets generally produce a bowel movement in 6-12 hours and can be used in children ages 2+. For your comfort, the active ingredients in Senokot-S Dual Action laxative tablets are purified senna and docusate sodium, manufactured to high quality standards. Constipation can certainly interfere with your day and may be caused by travel, stress, dietary changes, or aging. Senokot brings nature and science together to give you five formulations that meet your specific needs. Satisfaction guaranteed. For over 65 years, physicians and pharmacists have trusted – and consumers have relied on – the Senokot brand to provide gentle, effective overnight relief of occasional constipation. Senokot-S is FSA or HSA eligible. Use as directed.