Final answer:
The satiety hormone is called leptin. Leptin is a protein hormone produced by adipose tissues that promotes satiety and inhibits appetite.
Step-by-step explanation:
The satiety hormone is called leptin. Leptin is a protein hormone produced by adipose tissues in response to food consumption. It promotes the feeling of satiety and inhibits appetite. When fat reserves are high, more leptin is secreted, which leads to a decreased appetite and eating less.