what does metamucil do to stool
Photo Credit KathyKafka/iStock/Getty Images. Metamucil is a fiber supplement that helps relieve constipation and keeps you regular. It makes increasing your fiber intake easier, since it comes in a variety of forms, including chewable wafers, powder, capsules and others.void having loose stools after taking your Metamucil supplement by gradually increasing your intake each day. Since Metamucil conveniently comes in powder forms, you can easily control the amount of fiber you consume. Add a small amount, such as 1/2 tsp., and see how you feel.