A medicine's ingredient is what carries out its action. A brand is a product name. Ask for both, along with the purpose of the prescription.
Compare the approved uses
FDA stands for U.S. Food and Drug Administration. This agency approves each product for specific uses. These summaries are dated September 2026.
Semaglutide
Semaglutide (Ozempic, Wegovy) has different uses by brand: Ozempic’s uses involve type 2 diabetes; Wegovy includes weight treatment as of September 2026.
Tirzepatide
Tirzepatide (Mounjaro, Zepbound) also has separate uses: Mounjaro for type 2 diabetes; Zepbound for weight and a particular breathing problem during sleep, as of September 2026.
The Zepbound page explains which sleep problem its approval covers.
Liraglutide
Liraglutide (Victoza, Saxenda) has a brand for diabetes and a brand for weight treatment. FDA-approved generic versions of both brands exist as of September 2026.
Approved generic or made to order?
An FDA-approved version of a brand medicine is called a generic. Compounded products are prepared to order and lack that approval.
Neither semaglutide nor tirzepatide had a generic with FDA approval that could be sold legally as of September 2026.
What is the exact product?
What use is being discussed for me?
Is it an approved medicine or a compounded preparation?