Baking soda: NA2CO3 soda: NAHCO3, weak alkali. Soda is good for nourishing the stomach, because soda can neutralize stomach acid. Then, citric acid can be neutralized by the same reason, landlord, I think so, I don't know if it's right? Now the standard of living is good. Eating big fish and meat every day, eating the body into an acidic constitution and drinking soda water can neutralize the acid-base balance in the body, which is beneficial to health. Drink once or twice a week, and stick to it, and your body will feel particularly cool.