Serotonin and cholecystokinin increase satiety in humans.

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Serotonin and cholecystokinin are both hormones that have been shown to increase satiety in humans, making them feel more full and less hungry after eating. Serotonin is a neurotransmitter that influences mood, appetite, and digestion, while cholecystokinin is a hormone released by the small intestine in response to the presence of food, which signals the brain to stop eating. Studies have found that increasing serotonin or cholecystokinin levels can help reduce food intake and promote weight loss.

Serotonin and Cholecystokinin Increase Satiety in Humans