It is an all natural product which is derived from the Polysaccharide Chitin.
Chitin is found in the exo-skeletons of shrimp, crabs and other shellfish.
Chitosan has the unique ability to attach itself to lipids or fats. There are no calories since it is not digestible. Chitosan also inhibits bad cholesterol and boosts good cholesterol. It may treat and prevent irritable bowel syndrome. Chitosan has been safely used for more than two decades.