Dietary fiber is significant for digestive health as it aids in maintaining regular bowel movements and preventing constipation. Soluble fiber helps regulate blood sugar levels and lower cholesterol, while insoluble fiber adds bulk to stool, facilitating its passage through the digestive tract. Consuming a fiber-rich diet promotes a balanced gut microbiome, improving overall digestive function and nutrient absorption. Foods such as whole grains, fruits, and vegetables are excellent sources of dietary fiber, essential for promoting a healthy digestive system and reducing the risk of chronic conditions.