Diet Chitosan 500 mg, Value Size, 240 Capsules, Source NaturalsDiet Chitosan Breakthrough Dietary Fiber 250 mg and 500 mg Chitosan, a fiber derived from chitin in shellfish, is classified as a nondigestible aminopolysaccharide. Chitosan is synthesized by removing acetyl groups from chitin, through a process called deacetylation. Although the mechanism by which chitosan works is still being researched, animal studies have shown that chitosan binds with bile salts in the digestive tract, reduces the absorption of