Opti-Fiber Capsule containins a balanced ratio of soluble to insoluble natural fibers to maintain bowel regularity and help with occasional constipation. Psyllium husk, the primary ingredient in Opti-Fiber Casule's formula, is one of the most widely used fibers found in natural bulk laxatives. In addition to psyllium, Fiber Plus This potent formula also includes flax seed, rice bran for blood sugar support, and an additional soluble fiber called pectin. Becasue 15-20% of the US population is affected by occassional constipation, fig fruit and prune are also included because they contain natural compounds which act as mild colonic stimulants. Constiption can be caused by many factors including dehydration, stress, diet, or other lifestyle choices. In western diets, the low presence of fiber combined with the prevalence of carbohydrates and refined sugars has been linked to altered colonic environments and slowed bowel transit times. Dietary fibers and supplements like Opti-Fiber Capsule support smooth bowel movements and help prevent occassional constipation.