Mixing 15 mg Cagrilintide + Retatrutide
Adding 2 mL of bacteriostatic water to a 15 mg vial of Cagrilintide + 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 Cagrilintide + 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. 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 Cagrilintide + Retatrutide vials
One listing per vendor, vendors scoring 80%+ on Finnrick's independent lab testing, cheapest per mg first. Some links are affiliate links; rankings are by price only.
| Vendor | Listing | Price | Per mg | |
|---|---|---|---|---|
| Shanghai Wibson Biotechnology WBS Finnrick 65% | Retatrutide + Cagrilintide (12.5+2.5 mg) * 10 vials (China warehouse) [jinjier] 10 × 15 mg = 150 mg | $169.00 | $1.13 | Buy |
| Amplified Amino Finnrick 65% | Reta/Cagri Blend – 12.5mg/2.5mg 1 × 15 mg | $135.00 | $9.00 | Buy |
| Certified Peptides Finnrick 58% | GLP3-R / CAGRI 12.5/2.5 MG 1 × 15 mg | $200.00 | $13.33 | Buy |
Questions people ask
How much bacteriostatic water do I add to 15 mg of Cagrilintide + Retatrutide?
Adding 2 mL of bacteriostatic water to a 15 mg vial of Cagrilintide + 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 Cagrilintide + 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 Cagrilintide + Retatrutide vials?
3 independently tested vendors list 15 mg Cagrilintide + Retatrutide vials; the cheapest right now is Shanghai Wibson Biotechnology WBS at $1.13 per mg ($169.00 for 10 × 15 mg = 150 mg).