Citrucel Fiber & Laxative Citrucel caplets with Smart - Fiber are easy to swallow - and easy to take along. Each 2-caplet dose contains 0 carbs Each 2-caplet dose can help restore and maintain regularity Non-allergenic therapeutic fiber derived from a natural source does not ferment and will not cause excess gas No messy drinks and no grit - Methycellulose Fiber Therapy for Regularity Fewer Caplets Per Dose For treating other bowel disorders when recommended by a doctor Generally produces effect in 72 hours. - With four varieties of Citrucel with Smart - Fiber, there are lots of ways to get the Smart - Fiber benefits you want without bloating or excess gas.