A peptide vial, a water vial, an insulin syringe and an injection pen on dark stone
Research / Peptide calculator

Peptide calculator

Reconstitution math: how much water to add, how many units to draw, and exactly what it looks like on your syringe or pen.

Arithmetic on your own numbers. It never suggests a dose, and nothing you type leaves this page.

Peptideoptional
mL

Enter the dose you already have. This page never suggests one. Tap mg to switch units.

Your syringe

How to mix it

1

Clean both tops

Wipe the rubber tops of the peptide vial and the water vial with an alcohol swab. Let them dry.

2

Measure the water

Use the amount you entered above. The calculator shows it in syringe units.

3

Add it down the side

Aim at the glass wall, not at the powder, and push slowly.

4

Swirl gently

Swirl or roll until it dissolves. Do not shake.

ClearCloudy
5

Check it is clear

Approved products say not to use a cloudy solution or one with particles.

6

Label and date it

Then draw each dose with a new sterile syringe. CDC: discard opened multi-dose vials after 28 days unless the maker says otherwise.