16 oz. Get rid of stubborn belly fat and enhance your overall health and energy with this Organic Firm & Flat Belly Detox. The 100% natural detox serum not only helps flatten and define your stomach, it also strengthens your colon and helps your body efficiently eliminate waste. That leads to better metabolism and more energy. It detoxifies your kidneys and colon. It also helps you control hunger and food cravings that lead to weight gain. It detoxifies your blood and helps maintain