How Long Will a 5mg Vial of Tirzepatide Last? An Essential Guide
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4 min read
For FDA-approved versions of tirzepatide like Mounjaro and Zepbound, a 5mg vial contains a single dose and is designed for one weekly injection. Therefore, a branded 5mg vial will last for exactly one week, after which it must be discarded. However, the duration for compounded tirzepatide is different and depends on the vial's total milligram content and concentration.