What are the two types of dietary fiber?

The correct answer identifies the two types of dietary fiber as soluble and insoluble fiber. Soluble fiber is found in foods such as oats, legumes, apples, and citrus fruits, and it dissolves in water to form a gel-like substance. This type of fiber can help lower blood cholesterol and stabilize blood sugar levels by slowing digestion and absorption. On the other hand, insoluble fiber, which is abundant in whole grain products, nuts, and vegetables, does not dissolve in water and adds bulk to stool, aiding in digestive health and regularity.

Understanding the distinction between these two types of fiber is crucial for appreciating their different health benefits. Soluble fiber is beneficial for heart health and blood sugar control, while insoluble fiber is essential for maintaining bowel health and preventing constipation. This knowledge is foundational in the study of nutrition and its practical applications in dietary choices.