Insoluble fiber is a type of dietary fiber that cannot be broken down by our bodies. It helps to add bulk to our poop and promotes regular bowel movements. It's found in foods like whole grains, fruits, and vegetables. Full definition
The content of insoluble fiber in flaxseeds adds bulk to the digestive waste, acting as a laxative and relieving constipation (32, 67). (healthline.com)
The White Sorghum Flour is high in insoluble fiber with relatively small amounts of soluble fiber. (amazon.com)
These so - called «short chain fatty acids» are produced by bacteria in the intestine during fermentation of insoluble fiber from fruits, vegetables and legumes. (health.com)