is metformin a glp-1 receptor vs. Agonists: Which Diabetes Medication Right for You? Metformin vs Ozempic: What's the

Together, these two pathways produce a broader metabolic response than GLP-1 activation alone, which is why tirzepatide has shown more pronounced effects on body weight and blood sugar control in clinical research compared to GLP-1-only medications

& Tavakkoli, A

Rats receiving brainstem-hypothalamic transection do not have a reduction in food intake in response to peripherally administered GLP-1 which suggests that the brainstem plays a critical role in communicating peripheral satiety signals to higher brain centers (Abbott et al., The hypothalamus has also been implicated as a major center for mediating the pharmacological effects of GLP-1R action on energy metabolism

Heres where things get tricky: GLP-1 patches dont contain any actual GLP-1 medications at all