Chitin is found in the exo-skeletons of shrimp, crabs and other shellfish.
The Chitosan has the unique ability to attach itself to lipids or fats. There are no calories in it since it is not digestible. Chitosan works with your body naturally to get rid of unwanted fat. People all over the world use Chitosan to help absorb fat lipids and speed their passage though the body. It has been used for over two decades without side effects.