[header] How to treat heartburn [title] Learn how stomach acid normally helps in digestion. [step] Acidic liquid is naturally-produced by the stomach to help your body break down and digest food. The acid is secreted by parietal cells in the the stomach in response to stimulation by gastrin. 
It also kills pathogens in your gastrointestinal tract which can prevent infection. There's no way to completely eliminate stomach acid, nor would you want to.