There is some science that says that GLP-1 (the hormone that makes you feel hungry) is messed with when you consume fake sugar. Your tongue and gut sense "sweet" and start preparing for the caloric hit....but there is a mismatch between the calories that actually arrive and your hormones....so you feel hungry and eat more to compensate.
Its potentially physiological.
There is some science that says that GLP-1 (the hormone that makes you feel hungry) is messed with when you consume fake sugar. Your tongue and gut sense "sweet" and start preparing for the caloric hit....but there is a mismatch between the calories that actually arrive and your hormones....so you feel hungry and eat more to compensate.
https://fortune.com/well/2025/04/04/sugar-substitute-may-increase-your-appetite-study/