Bupropion, famous by trade-name Wellbutrin for depression, is a dopamine/norepinephrine reuptake inhibitor, which increases those brain hormones in the areas of the hypothalamus which send signals to reduce appetite, Karl Nadolsky, DO, a clinical endocrinologist and obesity specialist at Holland Hospital and clinical assistant professor of medicine at Michigan State University, told Healthline
2016 Oct 1;28(1):39-53
Elena-Real CA, Daz-Quintana A, Gonzlez-Arzola K, Velzquez-Campoy A, Orzez M, Lpez-Rivas A, Gil-Caballero S, De la Rosa M, Daz-Moreno I
Still, metabolism, hormones and appetite cues can affect how easily a person achieves and maintains that balance
Since then I get the occasional dizziness or nausea after my injections, but I find the worse I feel in the run up to the injection the worse the side effects - so Im thinking the opposite to the GP in that actually the side effects are because I need more