Assuming you do not have a metabolic disorder of some sort (which may be the case, but you'd need a doctor, not the internet, to diagnose it): Try switching to

Assuming you do not have a metabolic disorder of some sort (which may be the case, but you'd need a doctor, not the internet, to diagnose it): Try switching to fat+protein (and zero carbs), and see if it keeps you satiated longer. Many people find that carbs make them hungry again quickly, even if eaten with fat or protein.