The following information on fiber is from The Volume Library 1 encyclopedia published by The Southwestern Company, 1st edition.
Dietary fiber is derived only from plants.
Fibers are the chemical substances in cell walls that give plants their structure. There are various fibers, including cellulose, hemicellulose, lignin, pectins, and gums. It is not intended to diagnose or prescribe and these products are not intended to treat, cure prescribe or prevent any disease. If you have a medical condition, please see your health professional. If you don't see what you want, just ask.