Tums works by reducing the amount of acid in the stomach. This changes the stomach’s pH and decreases irritation. It also decreases the activity of pepsin. Pepsin is produced in the stomach and ...
The normal pH of the mouth is between 6.2 and 7.6. The pH of over-the-counter acid neutralizers such as Tums is around 8.5 to 10.5. Many common fruit drinks, sodas, teas, and sports and energy ...