- Lettuce
Lettuce stems and leaves contain lettuce, which is bitter, strong in high temperatures and drought, and can enhance gastric juice, stimulate digestion, increase appetite, and have analgesic and hypnotic effects. The content of carbohydrates in lettuce is low, while the content of inorganic salts and vitamins is richer, especially niacin. Niacin is an activator of insulin, and diabetics often eat lettuce, which can improve the metabolism of sugar. Lettuce also contains a certain amount of trace elements zinc and iron. In particular, the iron in lettuce is easily absorbed by the human body. Regular consumption of fresh lettuce can prevent and treat iron-deficiency anemia. Moreover, lettuce is rich in vitamin E, which can resist hair aging, promote cell division, and make hair grow. People with frequent hair loss or thinning hair can eat lettuce to promote hair growth.
