relieves occasional constipation (irregularity). generally produces a bowel movement in 12-72 hours. Gentle and clinically proven effective.* Gives you additional fiber to help relieve occasional constipation. Fiber for irregularity that won't cause excess gas.** sugar free. Citrucel offers these great benefits: Gentle and clinically proven effective to help relieve occasional constipation.* Fiber that won't ferment to cause excess gas.** 100% Soluble, gluten-free, and non-allergenic fiber. Recyclable packaging. *When Used As Directed. **Based On Laboratory Testing. Individual Results May Vary.