What is the primary mechanism by which fiber helps to prevent constipation in individuals with metabolic disorders?

A Increasing water absorption in the colon
B Reducing inflammation in the gut
C Promoting the growth of beneficial gut microbiota ✓
D Decreasing the transit time of food through the digestive system

Explanation

Fiber helps to prevent constipation by promoting the growth of beneficial gut microbiota, which aids in the fermentation of undigested carbohydrates and produces short-chain fatty acids, thereby increasing stool bulk and softening it.

Source

American Journal of Clinical Nutrition
Metabolic and Nutritional Disorders Nutrition and Metabolism Dietary Fiber and Gut Health Medium MEDICAL Confidence: high