Understanding the Differences Between Tirzepatide and Semaglutide Before making the switch, its important to understand the key differences between the two medications
If diarrhea persists beyond 2 to 3 weeks at a stable dose, it deserves medical evaluation
This is why many vials are made of amber-colored glass or why providers recommend keeping the vial inside its original box
We'll verify coverage, determine plan benefits for Wegovy or other semaglutide treatments, and manage the prior authorization process from start to finish
Most semaglutide users find that appetite is strongest in the morning and diminishes throughout the day

Retatrutide (2026) Semaglutide Mechanism: GLP-1 receptor agonist FDA Status: Approved for diabetes and weight management Expected Weight Loss: 1520% body weight Administration: Weekly injection Onset: Appetite changes within first few weeks Cost: Membership pricing at Better Med Spa see plans Tirzepatide Mechanism: Dual GIP + GLP-1 receptor agonist FDA Status: Approved for diabetes and weight management Expected Weight Loss: Up to 22% body weight Administration: Weekly injection Onset: Often faster appetite suppression Cost: Membership pricing at Better Med Spa see plans Retatrutide Mechanism: Triple agonist (GLP-1 + GIP + Glucagon) FDA Status: NOT approved investigational only Expected Weight Loss: Early data suggests very potent effects (up to 24% in trials) Administration: Weekly injection (investigational protocols) Onset: Under investigation Cost: Not yet available What Are Semaglutide, Tirzepatide, and Retatrutide