Keep your calories in balance. If you want to lose your weight, it’s importance choose a foods. At each meal, about half of your calories should come from healthy complex carbohydrates like fruits, vegetables, and whole grains. About one quarter of your calories should come from heart-healthy unsaturated fats, like avocados, nuts, seeds, and olive oil. And the remainder of your calories should come from sources of lean protein, like soy, fish, lean poultry, eggs, and beans