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Calculators

Peptide reconstitution calculator

Calculate the resulting concentration after reconstituting any peptide vial. Enter your vial size and water volume to determine injection volume in mL and syringe units.

Input values
Total peptide in your vial
Amount of BAC water added
Your target dose per injection
Result
DRAW TO 10 UNITS (U-100)

≈ 0.100 mL · 10.0 ticks on a U-100 insulin syringe

025507510010.0 u

FILL TO 10 U FOR 250MCG

Concentration
2500 mcg/mL
Volume per dose
0.100 mL
μg per unit
25.0 mcg
Total doses per vial
20

Educational only. PeptideIQ does not sell, prescribe, or recommend research compounds. Reconstitution math is provided for educational reference. Dosing decisions are between you and a licensed clinician.

01 — Step by step

How to reconstitute a vial.

  1. 01
    Clean the vial tops

    Wipe the tops of both the peptide vial and bacteriostatic water vial with alcohol swabs. Allow to air dry.

  2. 02
    Draw bacteriostatic water

    Using an insulin syringe, draw your desired volume of bacteriostatic water (typically 1-3 mL). Use the calculator above to determine the right amount.

  3. 03
    Add water to the peptide vial

    Insert the needle into the peptide vial and slowly release the water against the glass wall. Do not spray directly onto the powder.

  4. 04
    Gently dissolve

    Gently swirl the vial in a circular motion until the powder is fully dissolved. Never shake — this can damage the peptide.

  5. 05
    Store properly

    Refrigerate at 2-8°C (36-46°F). Most reconstituted peptides are stable for up to 28 days. Do not freeze.

FAQ

Frequently asked questions.