Tirzepatide 20 mg vial
Prices from 21 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 20 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 $5.00, or $5.00 per mg, across the 21 vendors with an exact, in-stock price.
Testing checks: outside lab · HPLC purity · mass spec identity · batch COA · lab named
- SJ PeptidesTIRZ-GLP2 20mg$10.00
- SJ PeptidesTIRZ-GLP2 20mg$95.00
- EZ PeptidesEZP-2P 20mg$48.00
- EZ PeptidesEZP-2P 20mg – (10 vials/Kit)$430.00
- Evolve BioPepTirz 20mg$49.99
- Nationwide PeptidesGLP-2T Peptide$64.00
- Value Research LabsGLP-2 (TZ)$63.99$79.99
- Prime SciencesGLP1-T$78.00$120.00
- OP PeptidesTirzepatide 20mg$79.00
- Pure Health PeptidesGLP-2 (T)$79.00
- Ameano PeptidesAMP-2P$88.00
- Penguin PeptidesGLP-1 T$95.00
| Vendor | Size | Price | Per mg | Availability | Checked | Link |
|---|---|---|---|---|---|---|
| SJ Peptides TIRZ-GLP2 20mg | 20 mg | $10.00 | $0.50 | in stock | Sep 12, 2026 | View |
| SJ Peptides TIRZ-GLP2 20mg | 20 mg | $95.00 | $4.75 | in stock | Sep 12, 2026 | View |
| EZ Peptides EZP-2P 20mg | 20 mg | $48.00 | $2.40 | in stock | Sep 18, 2026 | View |
| EZ Peptides EZP-2P 20mg – (10 vials/Kit) | 20 mg | $430.00 | $21.50 | in stock | Sep 18, 2026 | View |
| Evolve BioPep Tirz 20mg | 20 mg | $49.99 | $2.50 | in stock | Aug 25, 2026 | View |
| Nationwide Peptides GLP-2T Peptide | 20 mg | $64.00 | $3.20 | in stock | Sep 4, 2026 | View° |
| Value Research Labs GLP-2 (TZ) | 20 mg | $63.99$79.99 | $3.20 | in stock | Aug 24, 2026 | View |
| Prime Sciences GLP1-T | 20 mg | $78.00$120.00 | $3.90 | in stock | Aug 22, 2026 | View |
| OP Peptides Tirzepatide 20mg | 20 mg | $79.00 | $3.95 | in stock | Aug 24, 2026 | View |
| Pure Health Peptides GLP-2 (T) | 20 mg | $79.00 | $3.95 | in stock | Sep 12, 2026 | View |
| Ameano Peptides AMP-2P | 20 mg | $88.00 | $4.40 | in stock | Aug 22, 2026 | View° |
| Penguin Peptides GLP-1 T | 20 mg | $95.00 | $4.75 | in stock | Sep 12, 2026 | View |
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How to mix a 20 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 | 12.5 units 8.0 doses/vial | 25.0 units 8.0 doses/vial | 37.5 units 8.0 doses/vial |
| 15 mg | 75.0 units 1.3 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.