Answer by
bl834 (1317)
Benefiber comes in lots of forms & flavors (including virtually tasteless to mix with other foods), so it's inactive ingredients differ a bit, but basically the "active" ingredient is soluble fiber made from Wheat Dextrin. It's sugar-free and low-gluten, so it's great for folks with a wide variety of gastro or food-related problems (diabetes or chron's disease, for example).