Retatrutide is an investigational drug. It is not approved by the FDA, has no approved dosing schedule, and is not available by prescription in the US. This tool only converts a dose you already have into volume and syringe units — it does not suggest a dose.
Retatrutide Dose Calculator
Convert your prescribed dose into mL and U-100 syringe units using the concentration on your vial label.
Enter the dose prescribed by your clinician.
Match the number and units printed on your pharmacy label. Concentration is different from the total amount in the vial.
On a U-100 syringe, 100 marked units equals 1 mL. These markings measure volume, not milligrams of retatrutide.
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