Found Method · Tools

Know exactly what to draw.

Enter your vial, the water you added, and your dose. See the concentration, the volume per dose, and the precise mark to pull to — on a syringe calibrated to real U-100 insulin markings.

mg
mL
mcg

Draw to

units

Concentration
Volume / dose
Doses / vial

For education and convenience only. This tool converts the numbers you enter — it does not recommend doses or provide medical advice. Follow the protocol and guidance from your licensed provider, and confirm every calculation before you inject.

Reconstitution basics

How much water should you add?

There's no single correct amount. The bacteriostatic water you add sets the concentration — less water means smaller, harder-to-measure draws; more means larger, easier-to-read marks, up to your syringe or vial limit. Pick the amount that lands your dose somewhere you can read cleanly.

Common starting points

1 mLMost concentrated — small draws, better for larger doses10 mg/mL
2 mLThe common default — an easy middle ground5 mg/mL
3 mLMore dilute — easier to read small doses3.3 mg/mL

Concentrations shown for a 10 mg vial. Larger vials (e.g. 50 mg) are often reconstituted with 3–5 mL to keep the concentration workable.

More water is not more doses. A 10 mg vial holds 10 mg however you dilute it — water only changes the volume per dose, never the number of doses. Try your amount in the calculator above and confirm the mark before you commit.

From powder to injection

The seven steps, start to finish.

The same walkthrough printed on your kit card — here in full. This covers technique only; for the numbers, use the calculator above.

Reconstitute the vial

1

Wipe both stoppers

Alcohol-swab the rubber top of the peptide vial and the bacteriostatic water vial — about five seconds each.

2

Draw the water

Pull your chosen amount of bacteriostatic water into a 3 mL mixing syringe, then insert the needle into the peptide vial.

3

Aim down the wall

Push the water in slowly against the inside glass — not straight onto the powder, which can damage the peptide.

4

Swirl, don't shake

Tilt and roll the vial gently until the liquid runs completely clear. Never shake it.

5

Date it, refrigerate it

Label the vial with today's date and store it in the fridge. Reconstituted peptides keep for only a limited window.

Draw & inject

6

Draw your dose

With a fresh 1 mL insulin syringe, swab the stopper and draw to the unit mark the calculator gave you. Tap out any air bubbles.

7

Swab, inject, dispose

Clean the injection site, inject subcutaneously, and drop the used syringe straight into the sharps container. One syringe, one use.

Single-use, every time. Never reuse or share a needle, and retire each one to the sharps container as soon as you're done. When anything is unclear, follow the guidance of your licensed provider.

Coming soon

The calculator is the smallest part.

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