2 Grapefruit

Grapefruits speed up your metabolism and help burn a lot of calories. This fruit will help you feel full faster and longer with fewer calories. According to the U.S. Department of Agriculture National Nutrient Database, one half of a large grapefruit contains around 53 calories.

Moreover, grapefruit is rich in fiber that may help stabilize your blood glucose levels. You can add grapefruit to your fruit salad, smoothies or drink a grapefruit juice.