No Added Sugar 4 Grams of Fiber per Serving Natural Flavors Colors from Natural Sources Allergen and Gluten Free Digestive Health + Dietary Supplement Spring Forward to Optimal Health Fiber DX is a delicious and easy way to increase your daily fiber intake. Fiber DX includes chicory root- a prebiotic that is high in inulin, a soluble fiber. The gummies have no added sugar and deliver 4 grams of fiber in each serving.