How much is the pH of the stomach acid?

Under normal circumstances, gastric acid pH is about 7.0-7.2 when gastric emptying, and usually reaches 2-3 after eating.

Gastric acid is a liquid in gastric juice, mainly composed of hydrochloric acid and pepsin. It is secreted by gastric glands. Its functions include digesting food and destroying pathogenic microorganisms. Normal gastric acid pH is generally 7.0-7.2 when gastric emptying. After eating, gastric acid pH can drop to 2-3 due to digestion needs.

Many factors can affect gastric acid pH, such as spicy diet, drug intake, gastric ulcer, etc. If it is found that the index is too high or too low, it is necessary to check the cause in time.