Very Berry Fiber Wafers Chewable contains inulin, a soluble fiber. Inulin travels through the stomach undigested, making itself available to the gut bacterial flora. Inulin is a very effective prebiotic, stimulating growth of beneficial bacteria. Adult dose is 4 chewable tablets per day, providing 4 grams of fiber. Maximum dose is 12 tablets. Children 6 to 12: 2 tablets per day. Up to 3 days of continued use may be required to provide full benefit. If gas or bloating occurs, reduce daily dosage.