 And GLP-1 is basically part of your body's natural system going, hey, you had enough, stop eating, right? It's the breaks. But natural GLP-1 only sticks around in your system for a few minutes and then it's washed away. What these drugs do is they inject you with an artificial copy of GLP-1 that instead of sticking around for a few minutes, sticks around for a whole week, which is why these drugs produce this incredible amount of weight loss.