What crucial role does fiber play in digestive health?

Fiber plays a crucial role in digestive health primarily by aiding in digestion and helping to maintain regular bowel movements. It is a type of carbohydrate that is not digested by the body, which means it passes through the digestive system largely intact. This characteristic is what contributes to its beneficial effects.

One of the key functions of dietary fiber is to add bulk to the stool, which helps it move more smoothly through the intestines. This can prevent issues such as constipation and promote overall gut health. Fiber also supports healthy gut bacteria, contributing to a balanced microbiome, which is important for various aspects of health beyond digestion.

Additionally, fiber helps regulate the body’s use of sugars, slowing down their absorption, which can aid in maintaining healthy blood sugar levels and can influence appetite regulation, ultimately supporting weight management.

In contrast, the other options do not align with the role of fiber in digestive health. Fiber does not increase fat absorption, reduce protein intake, or promote excessive weight gain, making the understanding of its function integral to recognizing how it supports digestive well-being.