Reliable Herbal Formulas-Since 1974. For Gentle Overnight Relief. Made with Organic Senna Leaf Extract. Stimulant Laxative. 100 Natural. No Harsh Chemicals. Smooth Move Senna capsules relieve occasional constipation (irregularity) and generally produce bowel movements in 6 to 12 hours. You Deserve Only The Best. We use pharmacopoeia grade herbs in our products. That means that these herbs meet the highest standards set for quality purity strength identity and composition. Free Of Sodium sugar and artificial sweeteners. Disclaimer These statements have not been evaluated by the FDA.