Hormones affecting hunger

The Hunger Hormone Ghrelin is a known as the hunger hormone because it stimulates appetite, increases food intake and promotes fat storage. It is produced and released mainly by the stomach and also the small intestine as well as the pancreas and the brain. Ghrelin has numerous functions. It stimulates the release of growth hormone from the pituitary gland and  has also been shown to act on regions of the brain involved in reward processing