Peptide handling
Retatrutide reconstitution calculator
Reconstitution calculator for Retatrutide, prefilled for 5 mg and 10 mg vials. Work out the concentration, the dose volume in millilitres, and the reading on a U-100 insulin syringe.
Start from a compound
Fills the vial size and a starting water volume. Only compounds with a citable range fill a dose.
The second is the question asked once the syringe is already filled, or when checking a vial someone else reconstituted.
1 mg = 1,000 mcg. Published figures are usually micrograms; vial labels are milligrams.
- Draw to
- 10 unitson a U-100 syringe
- Dose
- 250 mcg
- Dose volume
- 0.1 mL
- Concentration
- 2.5 mg/mL
- Per unit
- 25 mcg
- Doses per vial
- 20whole doses; a partial one is not counted
Shown on a 30-unit (0.3 mL) U-100 syringe, the smallest that holds this draw.
Retatrutide
Investigational. Phase II results are published but there is no approved label, so no range is carried here — the trial doses are a study protocol, not a schedule.
Vial size and water volume are a starting point for the arithmetic, not a recommendation.
Adding more water makes the same dose a larger, easier-to-read mark on the syringe. It does not change how many doses the vial holds.
Vial sizes and starting volume
Retatrutide is commonly supplied in 5 mg and 10 mg vials. The calculator opens on a 5 mg vial with 2 mL of bacteriostatic water — a starting point for the arithmetic, not a recommendation. Change either and everything recalculates.
That combination gives 2.5 mg/mL, so one insulin unit holds 25 mcg.
What dose to enter
No dose is prefilled for Retatrutide, because no range for it could be cited.
Investigational. Phase II results are published but there is no approved label, so no range is carried here — the trial doses are a study protocol, not a schedule.
The calculator still converts whatever figure you enter into a volume and a syringe reading — that arithmetic does not depend on the dose being a good one.
Related
- Retatrutide — the product page, with its current batch.
- Bacteriostatic water — what goes in the vial.
- Peptide reconstitution calculator — the general version, with the blend and half-life calculators alongside it.
- Dosing reference — published schedules, each with the evidence behind it.
For research use only. This tool performs arithmetic on figures you supply — it is not medical guidance and does not recommend a dose for any compound.