Clinically proven, Senokot Regular Strength tablets provide gentle, overnight relief from occasional constipation when taken at bedtime, using a natural vegetable laxative ingredient. For your comfort, the active ingredient in Senokot Regular Strength laxative tablets is purified senna, manufactured to high quality standards. Senokot Regular Strength tablets generally produce a bowel movement in 6-12 hours and can be used in children ages 2+. Constipation can certainly interfere with your day and may be caused by travel, stress, dietary changes, or aging. Senokot combines nature and science 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 Regular Strength is FSA or HSA eligible. Use as directed.