Guides
GLP-1 dosing guides
Plain-language guides to the math behind compounded semaglutide and tirzepatide vials. Educational only; your prescriber sets your dose.
GuideGLP-1 dosing guide: how to calculate units from mg and mg/mLThe formula, worked examples and units charts for compounded semaglutide and tirzepatide.Read the guide
Worked exampleSame dose, new vial: why your units changedHow 7.5 mg of tirzepatide went from 30 units to the 42-unit line when the vial changed.Read the guide 
GuideWhat does mg/mL mean on a GLP-1 vial?What the concentration on your label means and how it turns a mg dose into syringe units.Read the guide 
How-to guideSwitching GLP-1 pharmacies: how to recalculate your unitsA new vial often has a new concentration. How to recalculate before your first dose.Read the guide 
How-to guideHow to read your GLP-1 prescriptionFind the vial concentration and your prescribed dose in the most common label formats.Read the guide
Check your numbers. Enter your vial concentration, your prescribed dose and your syringe, and DoseCompa shows the calculated units and where they fall on your syringe's printed lines.
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