Herbalife weight loss shakes Formula One small size (550 gram) last about two weeks. Upgrade to the large Herbalife Shake (750 gram) to get a 3 week supply. Herbalife weight loss shakes are a  healthy meal with up to 19 essential vitamins, minerals and nutrients in five delicious flavors that can help support weight management. Herbalife best shakes, are a healthy meal for balanced nutrition with ould all the unwanted additives. Manage weight and gain better health with  Herbalife weight loss shakes. Each serving contains  9g of protein and healthy fiber. Nourish your body with Cellular Nutrition and Herbalife's best shakes weight loss shakes.