Glucagon-like peptide-1 agonism - GLP-1, common in obesity medicines - is not essential to weight management, according to preclinical research led by Richard DiMarchi and Matthias Tschöp, with funding from their startup company Bluewater Biosciences.
Do you mean added sugar? Because cutting out fruit and veg from your diet is pretty unhealthy.
You can ditch any veg that’s filled with sugar (corn, and a few others).
An apple has fructose in it which is absorbed slower so if you don’t abuse it you’d be fine.
I’m mostly talking about refined sugar, if you are already living off fruits and vegetables I think you’re fine.