ACSM Personal Trainer Certification Practice Exam

What is the recommended daily intake of fiber for maintaining good health?

1. 10-15 grams

2. 15-20 grams

3. 20-30 grams

4. 30-40 grams

The correct answer is: 20-30 grams

The recommended daily intake of fiber for maintaining good health is 20-30 grams. This range is supported by various health organizations, as adequate fiber intake is critical for promoting digestive health, preventing constipation, and reducing the risk of chronic diseases such as heart disease and diabetes. Fiber can be classified into two types: soluble and insoluble. Soluble fiber, found in foods like oats and fruits, can help lower blood cholesterol levels, while insoluble fiber, found in whole grains and vegetables, aids in preventing digestive issues by promoting regular bowel movements. The optimal intake of 20-30 grams strikes a balance that can be realistically achieved through a diet rich in fruits, vegetables, whole grains, nuts, and legumes. While lower amounts of fiber, such as 10-15 grams or 15-20 grams, may provide some health benefits, they may not effectively support all the extensive health advantages linked to higher fiber consumption. Similarly, while consuming more than 30 grams can further benefit health, it’s important to gradually increase fiber intake to avoid gastrointestinal discomfort, making the 20-30 grams range a practical recommendation for most individuals.