... supplements. Theoretically, they may promote weight loss by interfering with the breakdown of complex carbohydrates thereby reducing, or at least slowing, the digestive availability of carbo-hydrate-derived ... dietary changes limiting caloric intake, increased physical activity, behavioral therapy, phar-macotherapy, and, in extreme cases, surgery [1]. Al-though the availability and popularity of natural ... complex carbohydrates, thereby reducing the diges-tive availability of carbohydrate-derived calories, at least early on, and/ or favorably influencing the glu-cose-insulin system [15-20]....