We can just cycle everyone on different appetite suppressors every few months so they don't grow dependent.
Between all the different GLP1 agonists, cocaine, vapes/nicotine patches, Adderall/Vyvanse, and all the other fun pharmaceutical-grade amphetamines, we should have enough to keep everyone h̶o̶o̶k̶e̶d̶ nice and healthy without a horrific dependence on any one drug (Won't someone think of the poor pharmaceutical companies!)