Tirzepatide 20 mg vial price
Tirzepatide 20 mg vials are listed by 59 vendors. They typically run $49.99 to $125.99, with a median of $89.99, across the 58 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 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 $89.99 a vial, or $4.70 per mg, across the 58 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
- Evolve BioPepT-20mg$40.00$54.99
- Evolve BioPepTirz 20mg$49.99
- Nextgen PeptidesTRZ 20MG$40.00
- Southern AminosSA-2T (20mg)$41.25$75.00
- Reta One LabsRO-2TZ 20mg$42.00
- Fit FormulasTz 20mg$47.00
- EZ PeptidesEZP-2P 20mg$48.00
- Ameano PeptidesAMP-2P$51.00
- Nationwide PeptidesGLP-2T Peptide$68.00
- Prism LabsTR-2 20mg$69.99
- Royal PeptidesTirzepatide Single Vial (20mg)$72.00$90.00
- Ascend ScienceGLP-2 TZ$73.50Sale price, list price not shown
- PSPeptidesTirzepatide (1 Vial) (20MG)$79.99
- PRPEPSGLP-2 TZ (20MG)$85.00$100.00
- Helion ResearchGLP-2 Tirz 20mg$89.99
| Vendor | Size | Price | Per mg | Availability | Checked | Link |
|---|---|---|---|---|---|---|
| Evolve BioPep T-20mg | 20 mg | $40.00$54.99 | $2.00 | in stock | Oct 31, 2026 | View |
| Evolve BioPep Tirz 20mg | 20 mg | $49.99 | $2.50 | in stock | Oct 31, 2026 | View |
| Nextgen Peptides TRZ 20MG | 20 mg | $40.00 | $2.00 | in stock | Oct 31, 2026 | View |
| Southern Aminos SA-2T (20mg) | 20 mg | $41.25$75.00 | $2.06 | in stock | Oct 31, 2026 | View |
| Reta One Labs RO-2TZ 20mg | 20 mg | $42.00 | $2.10 | in stock | Oct 20, 2026 | View |
| Fit Formulas Tz 20mg | 20 mg | $47.00 | $2.35 | in stock | Oct 31, 2026 | View |
| EZ Peptides EZP-2P 20mg | 20 mg | $48.00 | $2.40 | in stock | Oct 31, 2026 | View |
| Ameano Peptides AMP-2P | 20 mg | $51.00 | $2.55 | in stock | Oct 31, 2026 | View° |
| Nationwide Peptides GLP-2T Peptide | 20 mg | $68.00 | $3.40 | in stock | Oct 31, 2026 | View° |
| Prism Labs TR-2 20mg | 20 mg | $69.99 | $3.50 | in stock | Oct 31, 2026 | View° |
| Royal Peptides Tirzepatide Single Vial (20mg) | 20 mg | $72.00$90.00 | $3.60 | in stock | Oct 31, 2026 | View° |
| Ascend Science GLP-2 TZ | 20 mg | $73.50Sale price, list price not shown | $3.68 | in stock | Oct 10, 2026 | View°code PEPTIDEDECODING saves 15% |
| PSPeptides Tirzepatide (1 Vial) (20MG) | 20 mg | $79.99 | $4.00 | in stock | Oct 31, 2026 | View°code PEPTIDEDECODING saves 10% |
| PRPEPS GLP-2 TZ (20MG) | 20 mg | $85.00$100.00 | $4.25 | in stock | Oct 31, 2026 | View°code peptidedecoding |
| Helion Research GLP-2 Tirz 20mg | 20 mg | $89.99 | $4.50 | in stock | Oct 24, 2026 | View°code PEPDECODE saves 20% |
We earn from these links. It never changes a price or a position here.
- BioCollex: "From" price, left out of the range
Where the price has been
Market median at 20 mg: $5.00 per mg on Aug 26, 2026, $4.70 on Nov 5, 2026, 58 stores comparable today.
| Date | Median per mg | Low per mg | Stores |
|---|---|---|---|
| Nov 5, 2026 | $4.70 | $2.00 | 58 |
| Oct 31, 2026 | $4.70 | $2.00 | 58 |
| Oct 24, 2026 | $4.70 | $2.00 | 57 |
| Oct 22, 2026 | $4.70 | $2.00 | 57 |
| Oct 21, 2026 | $4.70 | $2.00 | 57 |
| Oct 20, 2026 | $4.70 | $2.00 | 54 |
| Oct 19, 2026 | $5.00 | $2.00 | 45 |
| Oct 18, 2026 | $5.00 | $2.00 | 33 |
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 doses/vial | 25.0 units 8 doses/vial | 37.5 units 8 doses/vial |
| 15 mg | 75.0 units 1 doses/vial · 5.00 mg left over | Over 100 units: will not fit one U-100 syringe | Over 100 units: will not fit one U-100 syringe |
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