Dietary fiber

Definition

Dietary fiber consists of plant-based carbohydrates that are not digestible by human enzymes. It plays a crucial role in maintaining digestive health and regulating blood sugar levels.

5 Must Know Facts For Your Next Test

1. Dietary fiber is classified into two types: soluble and insoluble, each having different effects on the body.
2. Soluble fiber can help control blood glucose levels, which is essential for managing diabetes.
3. Insoluble fiber improves bowel health by adding bulk to stool, aiding in preventing constipation.
4. A high-fiber diet has been linked to reduced risks of developing chronic endocrine illnesses such as type 2 diabetes and obesity.
5. The recommended daily intake of dietary fiber is about 25 grams for women and 38 grams for men.

Review Questions

• What are the two types of dietary fiber and how do they differ?
• How does soluble fiber affect blood glucose levels?
• What is the recommended daily intake of dietary fiber for adults?

Related terms

Soluble Fiber:

Dissolves in water to form a gel-like substance and can help lower blood cholesterol and glucose levels.

Insoluble Fiber:

Does not dissolve in water and helps move material through the digestive system, promoting regularity.

Glycemic Index:

A measure that ranks foods according to their effect on blood sugar levels.