Lemon water, as the name suggests, is a drink obtained from the mixture of lemon juice and ordinary water. This refreshing and delicious drink, being a source of vitamin C, accelerates the metabolism, supports the immune and digestive systems, and improves the freshness of the skin by forming the habit of drinking water. 
Lemon juice strengthens vision. Thanks to its vitamin "C" and antioxidants, it protects the eyes from "yellow dot" - macular degeneration and cataracts. Lemon is very rich in potassium, which is necessary for the body. Potassium is the third most abundant mineral in the human body. Also, it strengthens the immune system. Those who drink lemon water every day have a much lower risk of catching colds and flu than those who don't. Lemon juice is recommended by experts as a natural way to lose weight. Thus, lemon reduces the feeling of hunger and accelerates metabolism, regulates the pH level of the body. It prevents people from wanting to drink coffee every morning to start the day with energy. Lemon is considered to be an indispensable tool in the fight against stress. However, lemon juice may not be beneficial for everyone. It causes the opposite effect for people with diabetes, people with gastritis, ulcers, low blood pressure and anemia. Excessive use of lemon leads to bleeding gums, a rapid drop in blood pressure and blood sugar, erosion of tooth enamel and, as a result, sensitivity of teeth to hot and cold foods and drinks, increased urine production in the kidneys, and frequent excretion of water and sodium from the body. 
For this reason, you should be careful when taking lemon juice.