UPPAbaby: Home Sprout Weight Loss Review: Is This GLP 1 Provider Legit? GLP 1 Remedy Wellbutrin Side Effects: Common, First Week, and Long Term Adverse Reactions Which formulation of Wellbutrin (bupropion) do you see most frequently?? There are a few formulations available for bupropion and one thing that makes them different is their kinetics, or how they are GLP 1 medications work because they make you eat less. That's the entire mechanism. Less hunger, smaller meals, fewer calories. But here's what the prescribing visit usually doesn't cover: when food intake drops,