Iceberg lettuce is a food that does not have the power to cure diseases and has no corresponding side effects. When consumed, iceberg lettuce can provide the body with some vitamins and minerals and other nutrients. Iceberg lettuce belongs to a kind of food, contains vitamins and minerals and other nutrients, moderate consumption, is beneficial to the human body. Every 100 grams of iceberg lettuce contains 12 calories, of which 1.7 grams of carbohydrates, 1.53 grams of protein and 0.52 grams of fiber. In addition, iceberg lettuce is rich in dietary fiber, which can promote intestinal peristalsis. However, when consuming iceberg lettuce, you should pay attention to control a reasonable amount, to avoid eating too much at one time to cause indigestion. When eating iceberg lettuce should be cleaned or heated to eat, and at the same time with other foods, to achieve a balanced nutrition.