There are two types of fiber -- "soluble," if it dissolves in water, and "insoluble," if it doesn't. Soluble fiber absorbs water and turns into gel, which slows down digestion, helps you feel full ...

EVERYWHERE YOU LOOK, people are telling you to get more fiber. "It keeps things moving!" and "it keeps you full!” say the TV ...

The difference between soluble and insoluble fiber is often confusing. Although both are important for metabolic health, the main distinction boils down to how well they dissolve in water.