Tirzepatide 15 mg vial
Prices from 13 vendors, and 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 behaviour 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 $5.33, or $5.33 per mg, across the 12 vendors with an exact, in-stock price.
Testing checks: outside lab · HPLC purity · mass spec identity · batch COA · lab named
- Evolve BioPepTirz 15mg$39.99
- EZ PeptidesEZP-2P 15mg$41.00
- EZ PeptidesEZP-2P 15mg – (10 vials/Kit)$370.00
- Pure Health PeptidesGLP-2 (T)$59.00
- Ameano PeptidesAMP-2P$71.00
- Orion PeptidesTirzepatide$77.00
- Orion PeptidesTirzepatide (GLP-1/GIP) - 15mg - Orion Peptides$77.00
- Penguin PeptidesGLP-1 T$78.00
- PeptidesSourceGLP-2 (TRZ) 15mg$80.00
- Licensed PeptidesLP2-T$94.49$104.99
- Simple PeptideSP-2TZ$96.00$120.00
- NuScience PeptidesGLP-2 TZ Research Peptide for Sale$99.00$199.00
| Vendor | Size | Price | Per mg | Availability | Checked | Link |
|---|---|---|---|---|---|---|
| Evolve BioPep Tirz 15mg | 15 mg | $39.99 | $2.67 | in stock | Aug 25, 2026 | View |
| EZ Peptides EZP-2P 15mg | 15 mg | $41.00 | $2.73 | in stock | Sep 18, 2026 | View |
| EZ Peptides EZP-2P 15mg – (10 vials/Kit) | 15 mg | $370.00 | $24.67 | in stock | Sep 18, 2026 | View |
| Pure Health Peptides GLP-2 (T) | 15 mg | $59.00 | $3.93 | in stock | Sep 12, 2026 | View |
| Ameano Peptides AMP-2P | 15 mg | $71.00 | $4.73 | in stock | Aug 22, 2026 | View° |
| Orion Peptides Tirzepatide | 15 mg | $77.00 | $5.13 | out of stock | Aug 22, 2026 | View |
| Orion Peptides Tirzepatide (GLP-1/GIP) - 15mg - Orion Peptides | 15 mg | $77.00 | $5.13 | in stock | Sep 12, 2026 | View |
| Penguin Peptides GLP-1 T | 15 mg | $78.00 | $5.20 | in stock | Sep 12, 2026 | View |
| PeptidesSource GLP-2 (TRZ) 15mg | 15 mg | $80.00 | $5.33 | in stock | Aug 23, 2026 | View |
| Licensed Peptides LP2-T | 15 mg | $94.49$104.99 | $6.30 | in stock | Sep 12, 2026 | View° |
| Simple Peptide SP-2TZ | 15 mg | $96.00$120.00 | $6.40 | out of stock | Aug 22, 2026 | View |
| NuScience Peptides GLP-2 TZ Research Peptide for Sale | 15 mg | $99.00$199.00 | $6.60 | in stock | Sep 5, 2026 | View |
We earn from these links. It never changes a price or a position here.
- Orion Peptides: Stock not shown, left out of the range
- Simple Peptide: Stock not shown, left out of the range
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
| Dose | 1 mL water | 2 mL water | 3 mL water |
|---|---|---|---|
| 2.5 mg | 16.7 units 6.0 doses/vial | 33.3 units 6.0 doses/vial | 50.0 units 6.0 doses/vial |
| 15 mg | 100.0 units 1.0 doses/vial | Over 100 units: will not fit one U-100 syringe | Over 100 units: will not fit one U-100 syringe |
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.
U-100 insulin syringe (1 mL = 100 units). Draw to the teal line.
Multi-vendor comparison is a Pro feature.
Daily is 7. Twice weekly is 2.