Active Ingredients: 1 Tablespoon: Methylcellulose 2 g Inactive Ingredients: Citric Acid; Dibasic Calcium Phosphate; FD&C Yellow #6; Maltodextrin; Orange Flavors; Potassium Citrate; Riboflavin; Sucrose; Titanium Dioxide; Tricalcium Phosphate Uses: Relieves constipation (irregularity). Helps to restore and maintain regularity. For constipation associated with other bowel disorders like IBS when recommended by a doctor. Generally produces a bowel movement in 12-72 hours. Unique smartfiber is smart because it is: The only fiber that won't ferment to cause excess gas like other fiber products. Clinically proven effective to help restore and maintain regularity. Gentle enough for everyday use. 100% soluble, non-allergenic and gluten-free.