What are the two types of dietary fibers?

The two types of dietary fibers are soluble and insoluble fiber, which play distinct roles in digestive health and overall well-being. Soluble fiber dissolves in water to form a gel-like substance. It can help lower blood cholesterol levels and stabilize blood sugar levels, making it beneficial for heart health and diabetes management. Sources of soluble fiber include oats, beans, apples, and citrus fruits.

In contrast, insoluble fiber does not dissolve in water; it adds bulk to the stool and helps food pass through the digestive tract more easily. This type of fiber is essential for promoting regular bowel movements and preventing constipation. Foods rich in insoluble fiber include whole grains, nuts, seeds, and the skins of many fruits and vegetables.

The other options do not accurately describe types of dietary fibers. Simple and complex sugars refer to carbohydrates rather than fiber types. Saturated and unsaturated fibers are not established categories; fiber does not have the same classification as fatty acids. Lastly, animal and plant fibers do not correspond to the classification used in nutrition, as dietary fiber primarily comes from plant sources, rather than being categorized by the origin as animal or plant.