Peptide Decoding

Tirzepatide 15 mg vial price

Tirzepatide 15 mg vials are listed by 36 vendors. They typically run $39.99 to $149.90, with a median of $84.10, across the 32 showing an exact in-stock price. Last read Nov 1, 2026. This page also shows how much to draw for the commonly cited doses.

Compare pricesHow to mix it
Read the regulatory status before you compare prices.

In January 2026 the FDA asked that the warning about suicidal thoughts and behavior be removed from the obesity versions of this drug family after a review found no increased risk. Labels were updated in February 2026.

What a 15 mg vial costs

Every vendor we track that lists this exact size, cheapest first. Sort order is price only; affiliate status never changes it.

Median $84.10 a vial, or $5.77 per mg, across the 32 vendors with an exact, in-stock price.

Median unchanged from Oct 31, 2026.

Testing checks: outside lab · HPLC purity · mass spec identity · batch COA · lab named

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All sizes5 mg10 mg15 mg20 mg30 mg60 mg

We earn from these links. It never changes a price or a position here.

  • Lumi Peptides: Stock not shown, left out of the range
  • Simple Peptide: Stock not shown, left out of the range
  • Felix Chemical Supply: Stock not shown, left out of the range
  • Puratek Peptides: "From" price, left out of the range

Where the price has been

Market median at 15 mg: $5.27 per mg on Aug 26, 2026, $5.77 on Nov 5, 2026, 32 stores comparable today.

$6.30$1.89Aug 26, 2026Nov 5, 2026
Market median per mgLowest per mg
DateMedian per mgLow per mgStores
Nov 5, 2026$5.77$1.8932
Oct 31, 2026$5.77$1.8932
Oct 24, 2026$6.30$2.4031
Oct 22, 2026$6.30$2.4031
Oct 21, 2026$6.30$2.4031
Oct 20, 2026$6.12$2.4030
Oct 19, 2026$6.30$2.4027
Oct 18, 2026$5.93$2.6717

How to mix a 15 mg vial

Find the column for the amount of water you added to the vial. The number is how far to draw on a U-100 insulin syringe, where 100 units is 1 mL. This is arithmetic on the label, not a recommended dose.

How to read an insulin syringe · How much water to add

Dose1 mL water2 mL water3 mL water
2.5 mg16.7 units
6 doses/vial
33.3 units
6 doses/vial
50.0 units
6 doses/vial
15 mg100.0 units
1 doses/vial
Over 100 units: will not fit one U-100 syringeOver 100 units: will not fit one U-100 syringe
FDA labelWeeklyhalf-life About 5 days

Calculating for

Tirzepatide

Printed on the vial.

Commonly referenced range: 2.5 up to 15 mg per week (start low, increase slowly)FDA label

iPeptide Decoding does not recommend a dose. Enter the amount your clinician gave you, or pick a value from the reference range to model.

Same dose, different draw. Pick whichever is easiest to measure.

mL waterCustom amount. Enter any volume, e.g. 10 mL.—units draw
YOUR DRAW33.3 / 100 units
Full calculator with reorder date →Read a syringe →

Multi-vendor comparison is a Pro feature.

Daily is 7. Twice weekly is 2.

Decoded

Your plan for Tirzepatide

Dose
2.5 mg
Syringe draw
33.3units
Concentration
7.5mg/mL
Doses per vial
6

Nothing left over

Cost per dose
$9.83
Monthly cost
$42.73
Current supply lasts
1.4months
Reorder by
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Tirzepatide compound pageCalculatorDosage chart