Chitosan is a polysaccharide derived from the shells of crustaceans that can bind to fat and cholesterol in the digestive tract, helping to maintain cholesterol levels already within healthy range.* NOW Chitosan features LipoSan ULTRA, a unique high-density form of chitosan that, in laboratory testing, binds up to five times more fat than conventional chitosan.* A clinical study has demonstrated that LipoSan ULTRA may aid in supporting a healthy body weight.* Chromium, a mineral essential for normal glucose metabolism, has been included to complete this formula.* Natural color variation may occur in this product.