Top 10 nutritious vegetables you must eat in winter (7)

7. Lettuce

Lettuce contains large amounts of water, dietary fiber, vitamins, and minerals. Eating lettuce can enhance the secretion of gastric juice, digestive juices and bile. The potassium content in lettuce is 27 times more than its sodium content. The vitamins in lettuce vitamins help promote urination to maintain the water balance in human body. It is also of great benefit for patients with high blood pressure and heart disease.

In addition, fluorine element contained in the lettuce can participate in the formation of the enamel and dentin, and plays an active role in bone growth.

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