"ND stresses the need for detoxification to balance hormones. For example, when our estrogen is balanced, it is easier to fight PMS and reduce water weight. Apples contain a whopping 7mg of calcium D-glucarate, a phytochemical that plays an important role in liver detoxification and estrogen balance. "
http://www.chatelaine.com/en/article/32884--how-apples-can-help-you-lose-belly-fat-and-control-your-appetite