1, lettuce in the carbohydrate content is low, while inorganic salts, vitamins are rich, especially contains more niacin.
2, lettuce contains a certain amount of trace elements zinc, iron, especially lettuce in the iron is easily absorbed by the body, often eat fresh lettuce, can prevent and control iron deficiency anemia.
3, lettuce in the potassium ion content is rich, is 27 times the sodium salt content, is conducive to regulating the balance of salt in the body. For patients with high blood pressure and heart disease, it has the effect of promoting diuresis, lowering blood pressure and preventing heart rhythm disorders.
4, lettuce is rich in fluoride, has a protective effect on the teeth, involved in the biochemical process of bone, beneficial to children.
After the introduction of the above, I believe we have a certain understanding of the nutritional value of lettuce. It is worth mentioning that, in fact, the nutritional value of lettuce leaves must not be inferior to lettuce, it is recommended that you can also eat lettuce leaves.