Calculate retatrutide (Reta) dosage and reconstitution for any vial size. Enter the vial amount, BAC water, and target dose to see mg/mL concentration, exact U-100 syringe units to draw, doses per vial, and a personalized dosage chart.
Based on 91,008 real calculator submissions, 80% of Retatrutide doses fall between 0.5mg and 6mg, with 2–3mg the most common. The remaining doses are outliers in the top or bottom 10%.