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Free Tool

Peptide Reconstitution
Calculator

Enter your vial size, water volume, and target dose to instantly calculate how many units to draw on any insulin syringe.

Research Use Only

For educational and research purposes only. Consult a qualified healthcare professional for any medical advice.

Inputs

mg
mL

Results

Concentration0 mg / mL

Amount to Draw

0Units

Equivalent to 0 tick marks on a U-100 syringe.

How to Reconstitute a Peptide

01

Add Bacteriostatic Water

Using a sterile needle, slowly inject the desired volume of bacteriostatic water down the side of the vial — never directly onto the lyophilised powder.

02

Swirl, Do Not Shake

Gently swirl the vial until the powder completely dissolves. Shaking can degrade the peptide. Allow a few minutes if needed.

03

Calculate Your Dose

Use the calculator above to find how many units to draw up for your target dose based on your peptide amount, water volume, and syringe type.

04

Draw & Administer

Draw the calculated units into your syringe and administer as directed by your research protocol. Label and store remaining solution at 2–8 °C.

Frequently Asked Questions

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