Which of the following hormones is most responsible for signalling satiety as well as reducing food intake during a meal?

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Cholecystokinin (CCK) is a hormone produced by the small intestine in response to food entering the stomach. Its main function is to signal satiety and reduce food intake during a meal. CCK works by stimulating the release of digestive enzymes from the pancreas and bile from the gallbladder, which can slow down the rate of digestion and absorption of nutrients. It also acts on the hypothalamus in the brain to decrease appetite and increase feelings of fullness.

Which of the Following Hormones Is Most Responsible for Signalling