Mixing 15 mg Retatrutide
Adding 2 mL of bacteriostatic water to a 15 mg vial of Retatrutide gives 7.5 mg/mL: each 10 units on a U-100 insulin syringe holds 750 mcg. With 1 mL it's 15 mg/mL (1,500 mcg per 10 units); with 3 mL, 5 mg/mL (500 mcg per 10 units). More water makes small amounts easier to measure.
Bacteriostatic water chart for a 15 mg vial
Strength for each amount of water, and how much Retatrutide 10 units and 1 unit hold on a U-100 insulin syringe (100 units = 1 mL).
| Water added | Strength | Per 10 units (0.1 mL) | Per unit |
|---|---|---|---|
| 0.5 mL | 30 mg/mL | 3,000 mcg | 300 mcg |
| 1 mL | 15 mg/mL | 1,500 mcg | 150 mcg |
| 1.5 mL | 10 mg/mL | 1,000 mcg | 100 mcg |
| 2 mL | 7.5 mg/mL | 750 mcg | 75 mcg |
| 2.5 mL | 6 mg/mL | 600 mcg | 60 mcg |
| 3 mL | 5 mg/mL | 500 mcg | 50 mcg |
| 4 mL | 3.75 mg/mL | 375 mcg | 37.5 mcg |
| 5 mL | 3 mg/mL | 300 mcg | 30 mcg |
Units to draw for an amount (with 2 mL of water)
Arithmetic only, not a recommended amount. For what published studies actually gave, see Retatrutide research. Use the calculator for other amounts or water volumes.
| Amount | Units | Volume |
|---|---|---|
| 100 mcg (0.1 mg) | 1.3 units | 0.013 mL |
| 250 mcg (0.25 mg) | 3.3 units | 0.033 mL |
| 500 mcg (0.5 mg) | 6.7 units | 0.067 mL |
| 1,000 mcg (1 mg) | 13.3 units | 0.133 mL |
| 2,000 mcg (2 mg) | 26.7 units | 0.267 mL |
| 2,500 mcg (2.5 mg) | 33.3 units | 0.333 mL |
| 5,000 mcg (5 mg) | 66.7 units | 0.667 mL |
Cheapest 15 mg Retatrutide vials
One listing per vendor, vendors scoring 80%+ on Finnrick's independent lab testing, cheapest per mg first.
| Vendor | Listing | Price | Per mg | |
|---|---|---|---|---|
| Mix Peptides Finnrick 72% | 2026B53-09 (Retatrutide 15mg kit) 10 × 15 mg = 150 mg | $110.00 | $0.733 | Buy |
| Andy Peps Studio Finnrick 73% | RT15 Retatrutide 15mg * 10 vials 10 × 15 mg = 150 mg | $115.00 | $0.767 | Buy |
| Baohua Dongnuo Biotechnology BHD Finnrick 71% | RT15 Retatrutide 15mg * 10 vials 10 × 15 mg = 150 mg | $115.00 | $0.767 | Buy |
| LN Peptides Finnrick 72% | RT15 Retatrutide 15mg * 10 vials 10 × 15 mg = 150 mg | $115.00 | $0.767 | Buy |
| BeiBangAn Finnrick 68% | RT15 Retatrutide 15mg * 10 vials 10 × 15 mg = 150 mg | $115.00 | $0.767 | Buy |
| Mai Peptide Finnrick 60% | Retatrutide 15mg*10vials 10 × 15 mg = 150 mg | $120.00 | $0.800 | Buy |
| Shanghai Wibson Biotechnology WBS Finnrick 65% | Retatrutide 15mg*10vials (China warehouse) [jinjier] 10 × 15 mg = 150 mg | $120.00 | $0.800 | Buy |
| Aavant Research Finnrick 86% | Retatrutide 15mg 10 × 15 mg = 150 mg | $125.00 | $0.833 | Buy |
Questions people ask
How much bacteriostatic water do I add to 15 mg of Retatrutide?
Adding 2 mL of bacteriostatic water to a 15 mg vial of Retatrutide gives 7.5 mg/mL: each 10 units on a U-100 insulin syringe holds 750 mcg. With 1 mL it's 15 mg/mL (1,500 mcg per 10 units); with 3 mL, 5 mg/mL (500 mcg per 10 units). More water makes small amounts easier to measure.
How many units is 100 mcg of Retatrutide from a 15 mg vial?
With 2 mL of water (7.5 mg/mL), 100 mcg is 1.3 units on a U-100 syringe; with 1 mL it's 0.7 units.
Where can I buy 15 mg Retatrutide vials?
44 independently tested vendors list 15 mg Retatrutide vials; the cheapest right now is Mix Peptides at $0.733 per mg ($110.00 for 10 × 15 mg = 150 mg).