--Low-carbohydrate fruits. Watermelon, peach, nectarine, cantaloupe, apple, and papaya come under this category. These nutritious fruits have high water content and control the body temperature and help expel bad cholesterol from the body. They provide the necessary energy for the cardiovascular and nervous systems to function optimally. The low-carbohydrate fruits like these do not tax the body with excess sugar content; instead, diets rich in these fruits aid burning excess fat and losing weight.