Tirzepatide 100 mg vial price
Tirzepatide 100 mg vials are listed by 20 vendors. They typically run $148.00 to $429.00, with a median of $252.50, across the 19 showing an exact in-stock price. Last read Nov 1, 2026. This page also shows how much to draw for the commonly cited doses.
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 100 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 $252.50 a vial, or $2.60 per mg, across the 19 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
- Value Research LabsVRL-2 (TZ) (100 MG)$139.99$199.99
- Value Research LabsGLP-2 (TZ)$159.99$199.99
- Welli LabsWL2-TZ 100mg (Single)$144.99
- Fit FormulasTz 100mg$148.00
- Ascend ScienceGLP-2 TZ$157.50Sale price, list price not shown
- Modern ResearchGLP2-T (100mg)$175.99
- Reta One LabsRO-2TZ 100mg$185.00
- Ion PeptideION-2T (100mg)$199.00
- T Core BiotechTCB-2TZ (100mg - TCB260705)$220.79$275.99
- Eon PeptidesGLP-2 TZ (100mg)$245.00
- Greatest PeptidesTirzepatide 100 mg$259.99$291.99
- Eros PeptidesT 100MG$279.00
- Penguin PeptidesGLP-1 T$300.00
- PeptidesSourceGLP-2 (TRZ) 100mg$300.00Starting price, larger sizes cost more
- Royal PeptidesTirzepatide Single Vial (100mg)$300.00$375.00
| Vendor | Size | Price | Per mg | Availability | Checked | Link |
|---|---|---|---|---|---|---|
| Value Research Labs VRL-2 (TZ) (100 MG) | 100 mg | $139.99$199.99 | $1.40 | in stock | Oct 31, 2026 | View |
| Value Research Labs GLP-2 (TZ) | 100 mg | $159.99$199.99 | $1.60 | in stock | Oct 31, 2026 | View |
| Welli Labs WL2-TZ 100mg (Single) | 100 mg | $144.99 | $1.45 | in stock | Oct 31, 2026 | View |
| Fit Formulas Tz 100mg | 100 mg | $148.00 | $1.48 | in stock | Oct 31, 2026 | View |
| Ascend Science GLP-2 TZ | 100 mg | $157.50Sale price, list price not shown | $1.58 | in stock | Oct 10, 2026 | View°code PEPTIDEDECODING saves 15% |
| Modern Research GLP2-T (100mg) | 100 mg | $175.99 | $1.76 | in stock | Oct 31, 2026 | View |
| Reta One Labs RO-2TZ 100mg | 100 mg | $185.00 | $1.85 | in stock | Oct 20, 2026 | View |
| Ion Peptide ION-2T (100mg) | 100 mg | $199.00 | $1.99 | in stock | Oct 31, 2026 | View |
| T Core Biotech TCB-2TZ (100mg - TCB260705) | 100 mg | $220.79$275.99 | $2.21 | in stock | Oct 31, 2026 | View |
| Eon Peptides GLP-2 TZ (100mg) | 100 mg | $245.00 | $2.45 | in stock | Oct 31, 2026 | View |
| Greatest Peptides Tirzepatide 100 mg | 100 mg | $259.99$291.99 | $2.60 | in stock | Oct 31, 2026 | View |
| Eros Peptides T 100MG | 100 mg | $279.00 | $2.79 | in stock | Oct 31, 2026 | View |
| Penguin Peptides GLP-1 T | 100 mg | $300.00 | $3.00 | in stock | Oct 31, 2026 | View |
| PeptidesSource GLP-2 (TRZ) 100mg | 100 mg | $300.00Starting price, larger sizes cost more | $3.00 | in stock | Oct 31, 2026 | View |
| Royal Peptides Tirzepatide Single Vial (100mg) | 100 mg | $300.00$375.00 | $3.00 | out of stock | Oct 31, 2026 | View° |
We earn from these links. It never changes a price or a position here.
- Royal Peptides: Stock not shown, left out of the range
Where the price has been
Market median at 100 mg: $3.25 per mg on Aug 26, 2026, $2.60 on Nov 5, 2026, 19 stores comparable today.
| Date | Median per mg | Low per mg | Stores |
|---|---|---|---|
| Nov 5, 2026 | $2.60 | $1.40 | 19 |
| Oct 31, 2026 | $2.60 | $1.40 | 19 |
| Oct 24, 2026 | $2.60 | $1.45 | 19 |
| Oct 22, 2026 | $2.60 | $1.45 | 19 |
| Oct 21, 2026 | $2.60 | $1.45 | 19 |
| Oct 20, 2026 | $2.54 | $1.45 | 18 |
| Oct 19, 2026 | $2.90 | $1.48 | 14 |
| Oct 18, 2026 | $3.00 | $1.58 | 9 |
How to mix a 100 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
| Dose | 1 mL water | 2 mL water | 3 mL water |
|---|---|---|---|
| 2.5 mg | 2.5 units 40 doses/vial | 5.0 units 40 doses/vial | 7.5 units 40 doses/vial |
| 15 mg | 15.0 units 6 doses/vial · 10.00 mg left over | 30.0 units 6 doses/vial · 10.00 mg left over | 45.0 units 6 doses/vial · 10.00 mg left over |
Calculating for
Tirzepatide
Printed on the vial.
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.
Multi-vendor comparison is a Pro feature.
Daily is 7. Twice weekly is 2.
Your plan for Tirzepatide
Nothing left over