Chitosan is from chitin, a carbohydrate in shellfish.  Its makeup is chemically similar to cellulose, plant fiber.


Chitosan binds to fat in the digestive system and prohibits its absorption.  It can lower cholesterol and has been known to help in weight loss.

Forms Available

Recommended Intake

Supplements are available in a variety of dosages.  Some may be sold in 500 milligram pills or 1000 milligram pills.


Sources in the Diet

Recent Studies and Articles

Chitosan lowering cholesterol

Chitosan and immune response

Chitosan and shrimp shells

Challenges Presented

Watson Products


  1. [0] – The New Encyclopedia of Vitamins, Minerals, Supplements, and Herbs
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