waist circumference ( 17 , 18 , 19 ). NOTES! KetoBloom Forskolin You can lose belly fat and prevent it by eating rich in protein. Proteins increase the metabolic rate, make you full and prevent the breakdown of muscle mass. 3. The right carbohydrates for the flat stomach Low carb diets are very effective at losing weight and getting a flat stomach. Even with less than 50 grams of carbohydrate..