Retatrutide Dosage Calculator Total Syringe Volume (ml) 0.3ml 0.5ml 1ml 2ml Peptide Concentration in Vial (mg) 5mg 10mg 15mg Other Volume of BAC Water You Want to Add (ml) 1ml 2ml 3ml 5ml Other Target Peptide Dose (mcg) For a mcg dose, draw up to tick mark