Some foods can naturally control their weight because of their low calories. If your appetite is not particularly strong, choose these foods to keep slim. The following are diet foods introduced by nutrition experts:

Spinach-only 26 calories per half cup (measuring cup), but rich in V and iron. Spinach is best eaten raw. Don't cook it at home for too long to avoid nutrient loss.

Beans-no matter what color, they are very nutritious. Beans are vegetables, but protein is as rich as meat. An ounce of dried beans provides 95 calories and protein 6 grams (one tenth of your daily requirement), which means that if you eat beans, you don't need to eat more meat.

Melon-contains only 30 calories per 3.5 ounces. Melon is rich in Va and Vv.

Pepper-whether hot or sweet, has high nutritional value, especially containing fiber. A green pepper has only 35 calories, but it provides various vitamins and minerals.

Tomato-Eating a medium-sized tomato after a meal is beneficial and won't gain weight.

Lettuce-Lettuce is a kind of food, because of its water content and a lot of Zhang Wei. The green leaves outside lettuce are the most nutritious.

Wheat bread-Whole wheat bread has 9% fewer calories than ordinary white bread, but protein has 20% more eggs, twice as much vitamin B and more cellulose than tomatoes, but only 35 calories.

Turkey-skinless and lean meat with only 50 calories per ounce, although it is coarse meat, is an ideal diet food.

Strawberry-contains only 57 calories per 3.5 ounces and is rich in vitamins.

Flounder-This flounder contains only 360 calories per pound. If you eat four ounces a meal, you will never get fat.