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Metabolism & Digestion Hormones

Gastrin

Even before you start to eat, the domino effect of digestion is beginning. As you think about your upcoming meal, your stomach and small intestine begin to produce gastrin, which in turn signals the release of gastric acid, a substance critical to the processing of food. Among its other roles in the digestive system, this hormone also serves as a disinfectant for the stomach, treating anything that enters the space.