Leptin (IMAGE) Texas Biomedical Research Institute Caption Leptin, the 'satiety hormone' made by adipose cells that helps to regulate energy balance by inhibiting hunger. Opposed by the actions of the hormone ghrelin, the 'hunger hormone.' Credit Texas Biomed Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.