Fiber is a type of carbohydrate that is indigestible. Unlike other carbohydrates, which are broken down into glucose, fiber passes through the body mostly intact (The Nutrition Source, 2022) . But if we can’t break down fiber, then what does it do? Furthermore, if our own digestive system cannot metabolize fiber, then what does? Types of Fiber There are two different types of fiber, each with its own purpose in the body. Soluble fiber dissolves in water and becomes a gel, slo