Chitosan is a dietary fiber derived from chitin, which is the molecule that forms the outer shells of crustaceans (shellfish). The structure of chitosan is made of N-acetylglucosamine (NAG), bound to glucosamine... To read more about Chitosan, please click here: https://www.nationalnutrition.ca/articles/supplements/chitosan/ Visit us at - https://www.nationalnutrition.ca/ #supplementreview...