PeptideBuddy
GLP-1 agonist

Liraglutide reconstitution calculator

Also known as Victoza, Saxenda

Reconstitute Liraglutide by adding bacteriostatic water to the vial, then draw your dose on a U-100 insulin syringe. The calculator is pre-filled with commonly-referenced vial sizes (5, 10 mg) and water volumes (1, 2 mL) — every field is yours to override. Daily GLP-1 agonist with a ~13-hour half-life, so it does not accumulate the way weekly agents do.

New to this? How to use the calculator
  1. 1Enter what's on your vial. Type the peptide amount (mg) printed on the vial and the mL of bacteriostatic water you mixed in. Not sure how much water to add? Switch to the Solve: water tab and it tells you.
  2. 2Enter your dose — mind the unit. Type your target dose and pick mg or mcg with the toggle. This matters: 1 mg = 1000 mcg. GLP-1s (semaglutide, tirzepatide) are usually mg; most peptides (BPC-157, ipamorelin) are mcg.
  3. 3Read “Draw to … units”. The big number is how far to pull the plunger on a U-100 insulin syringe. Match it to the fill line on the syringe picture. The concentration and doses per vial are shown so a wrong answer looks wrong.
Three ways to use it
  • Solve: units — you know the dose; find how far to draw.
  • Solve: water — you want a round mark like 10 units; find how much water to add.
  • Solve: dose — you already drew some units; find the dose that was.
Full step-by-step guide

I have a vial, water and a dose — how many units do I draw?

Target dose
Check the unit: 1 mg = 1000 mcg.
Syringe size
U-100 insulin syringe — 1 mL holds 100 units.
Draw to
12 units
02040Draw to 12 unitsU-100 · 50u max
Concentration
5 mg/mL
Volume per dose
0.12 mL
Doses per vial
8.333
A U-100 syringe is marked in whole units. The nearest mark is 12 units, which delivers 0.6 mg.

Easier-to-read mixes

8.333 doses per vial either way

Different amounts of water put the same dose on a rounder mark. Tap one to use that water amount.

Want this dose scheduled, checked off daily and tracked by half-life?

Track it for free

This tool computes volumes only — it does not recommend doses. Any pre-filled values are commonly referenced examples to confirm with your provider. Always check the concentration and draw against your own vial and syringe.

Liraglutide concentration quick-reference

VialBAC waterConcentrationUnits for 0.6 mg
5 mg1 mL5 mg/mL12 units
5 mg2 mL2.5 mg/mL24 units
10 mg1 mL10 mg/mL6 units
10 mg2 mL5 mg/mL12 units

Example inputs for illustration. Confirm your actual dose with your provider.

Liraglutide has a reported half-life of about 13 h. Track how much stays active between doses with a real pharmacokinetic burn-down.

Track Liraglutide in PeptideBuddy

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