P21 12 mg vial price
P21 12 mg vials are listed by 3 vendors. Prices run from $69.99 to $119.00, with a median of $119.00, across the 3 showing an exact in-stock price. Last read Oct 20, 2026. This page also shows how much to draw for the commonly cited doses.
What a 12 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 $119.00 a vial, or $9.92 per mg, across the 3 vendors with an exact, in-stock price.
Testing checks: outside lab · HPLC purity · mass spec identity · batch COA · lab named
- Evolve BioPepP21 12mg$69.99
- Atomik LabzP-21$119.00
- Solution PeptidesP-21 (12mg, Quantity: Single Peptide)$119.00
| Vendor | Size | Price | Per mg | Availability | Checked | Link |
|---|---|---|---|---|---|---|
| Evolve BioPep P21 12mg | 12 mg | $69.99 | $5.83 | in stock | Oct 17, 2026 | View |
| Atomik Labz P-21 | 12 mg | $119.00 | $9.92 | in stock | Oct 17, 2026 | View |
| Solution Peptides P-21 (12mg, Quantity: Single Peptide) | 12 mg | $119.00 | $9.92 | in stock | Oct 20, 2026 | View |
How to mix a 12 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 |
|---|---|---|---|
| 250 mcg | 2.1 units 48.0 doses/vial | 4.2 units 48.0 doses/vial | 6.3 units 48.0 doses/vial |
| 750 mcg | 6.3 units 16.0 doses/vial | 12.5 units 16.0 doses/vial | 18.8 units 16.0 doses/vial |
Calculating for
P21
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.