Your stomach lining also secretes hydrochloric acid, which creates the ideal conditions for the protein-digesting enzymes to work. The potent hydrochloric acid kills bacteria, protecting your body from harmful microbes which can enter your body in food.

Can bacteria survive stomach acid?

Helicobacter pylori, and Clostridium botulinum are microbes that can survive the acidic environment of the stomach and induce deadly effects to the host. There are other microbes can also survive the acidity of the stomach.

Does your stomach acid kill germs?

Even if the virus gets into your mouth, drinking water or other liquids will wash them down through your throat and into the stomach. Once there, your stomach acid will kill all the virus.