Active Ingredients: Each Caplet: Methylcellulose 500 mg Inactive Ingredients: Crospovidone; Dibasic Calcium Phosphate; FD&C Yellow No. 6 Aluminum Lake; Magnesium Stearate; Maltodextrin; Povidone; Sodium Lauryl Sulfate; Each Caplet Contains: Calcium 10 mg Uses: Helps restore and maintain regularity. Relieves constipation (irregularity). For treating other bowel disorders when recommended by a doctor. Generally produces effect in 12-72 hours. The fiber that won't cause excess gas. Fewer caplets per dose than leading competitor.