1, lettuce has the effect of lowering blood pressure, clearing heat and detoxification, laxative and tooth protection. Lettuce is a high potassium vegetable, potassium can maintain the body normal, can let the arteries dilate, reduce peripheral vascular resistance, accelerate the excretion of urinary sodium, thus reducing the cardiovascular burden, can reduce the thickening of the arterial wall of patients with high blood pressure, and play the effect of lowering blood pressure, so patients with high blood pressure can be consumed more.

2, lettuce is sweet and cool, with the efficacy of clearing heat and detoxification, generally as an auxiliary treatment for insect and snake bites, sand lice edema, very suitable for stomach fire is more exuberant, due to intestinal heat and constipation of the crowd to eat. Lettuce is rich in phytochemicals, it can accelerate gastrointestinal peristalsis, increase gastrointestinal digestion, help people faster defecation, constipation can be used to eat, it is used for constipation adjuvant therapy.

3, lettuce nutritional value: rich in vitamins, calcium, phosphorus, iron, potassium, magnesium, dietary fiber and other components. Which more niacin is considered to be an activator of insulin, diabetics eat properly to help improve the function of sugar metabolism.