15 BEST FOODS FOR A FLAT BELLY 15 Los mejores alimentos para un vientre plano full of fiber and monounsaturated fat full of fiber and monounsaturated fat papain Health papain give your metabolism a burst give your metabolism a burst 15 Best Foods for a Flat Belly helpful for reducing swelling quercetin which can reduce swelling high levels of soluble and insoluble fiber resistant starch high levels of soluble and insoluble fiber 15 Best Foods for a Flat Belly cucumber helpful for reducing swelling