The nutritional value of dried lemon slices is mainly low in calories and a good source of vitamin C and other nutrients. The calorie content of dried lemon slices in water is very low at 8 calories/100ml, which is almost negligible. Dried lemon infused water is very good for calorie control and added sugar control as compared to calorie exploding milk tea, cola, various sweetened beverages, and so on. Also, dried lemon slices are a good source of vitamin C, bioflavonoids, and minerals such as potassium, calcium, and iron. All these substances are essential nutrients for the human body. 100g of lemon contains 22mg of vitamin C, all of which can be dissolved in water and absorbed by the body. Dried lemon slices are a kind of healthy food, but patients with gastric ulcers and gastroesophageal reflux should not consume too much.