Dietary Supplement. Weight Management. Super Fat Absorbing Action. Supports Healthy Cholesterol Levels* Chitosan is a dietary fiber derived from the shells of crustaceans that has been shown in non-clinical studies to bind to fat and cholesterol in the digestive tract. Now® Chitosan contains LipoSan Ultra®, a patented high-density form of Chitosan that binds up to five times more fat than conventional Chitosan according to laboratory testing. A published clinical study has demonstrated that LipoSan Ultra®, taken as directed, may aid in the support of healthy body weight and serum cholesterol levels already within the normal range. Now has also included Chromium.