Which type of carbohydrate cannot be digested by the human body but aids in digestion?

Fiber is the type of carbohydrate that cannot be digested by the human body but plays a crucial role in aiding digestion. While other carbohydrates such as monosaccharides, disaccharides, and starch are broken down and absorbed by the body to provide energy, fiber remains intact as it passes through the digestive system.

Fiber is classified into two main types: soluble and insoluble. Soluble fiber dissolves in water and can help regulate blood sugar levels and lower cholesterol. Insoluble fiber adds bulk to stool and helps food move through the digestive tract, preventing constipation. This unique property of fiber to assist in digestion, while not being digested itself, is what makes it essential for maintaining gut health and overall digestive function.