Wegovy, a GLP-1 receptor agonist, slows gastric emptying, which can contribute to constipation
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Europe represents the second-largest GLP-1 market region with 19.4% revenue share and 13.8% CAGR
Here's how they compare: Semaglutide (GLP-1 agonist) Mechanism: Single-action GLP-1 receptor agonist FDA status: Approved for type 2 diabetes and chronic weight management Expected weight loss: 15-20% of body weight in clinical trials Administration: Once-weekly injection Best for: Patients starting their weight loss journey seeking proven, well-studied medication Tirzepatide (dual GIP/GLP-1 agonist) Mechanism: Targets both GIP and GLP-1 receptors for enhanced metabolic effect FDA status: Approved for type 2 diabetes and chronic weight management Expected weight loss: Up to 22% of body weight in clinical trials Administration: Once-weekly injection Best for: Patients seeking more aggressive fat loss with dual-action metabolic support Retatrutide (triple agonist, not yet available) Mechanism: Targets GLP-1, GIP, and glucagon receptors FDA status: Not FDA-approved

Medications like metformin (for diabetes), colchicine (for gout), and proton pump inhibitors (for acid reflux) can affect B12 levels
But for Phil, it did a lot more than that