1, lettuce contains dietary fiber and vitamin C, which can eliminate excess fat, so it is also called slimming lettuce;

2, because its stems and leaves contain lettuce, it tastes slightly bitter, and has the functions of analgesia and hypnosis, lowering cholesterol and adjuvant treatment of neurasthenia;

3. Lettuce contains active ingredients such as mannitol, which has diuretic and blood circulation promoting effects;

4. Lettuce contains an "interferon inducer", which can stimulate human normal cells to produce interferon, thus producing an "antiviral protein" to inhibit the virus.