👉 Cholecystokinin, also known as somatostatin or the somatic growth hormone, is a hormone that plays a crucial role in regulating digestive processes and metabolism. It is produced by the liver and is released into the bloodstream to affect the production of enzymes and other substances involved in digestion. The exact mechanism by which cholecystokinin regulates digestion is not fully understood, but it has been shown to play a significant role in promoting the breakdown of fats, reducing the absorption of carbohydrates