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PT-141 (Bremelanotide): 10 mg vial with 2 mL water

Quick answer

Adding 2 mL of bacteriostatic water to a 10 mg PT-141 (Bremelanotide) vial gives 5 mg/mL (5000 mcg/mL), so each unit on a U-100 insulin syringe holds 50 mcg. A 1 mg dose is 20 units (0.2 mL), and the vial holds about 10 doses of that size.

Concentration

  • Vial: 10 mg PT-141 (Bremelanotide)
  • Bacteriostatic water: 2 mL
  • Concentration: 5 mg/mL (5000 mcg/mL)
  • 1 unit on a U-100 syringe = 50 mcg

PT-141 (Bremelanotide) dose to syringe units

DoseSyringe units (U-100)VolumeDoses per vial
50 mcg1 units0.01 mL200
100 mcg2 units0.02 mL100
200 mcg4 units0.04 mL50
250 mcg5 units0.05 mL40
300 mcg6 units0.06 mL33
500 mcg10 units0.1 mL20
750 mcg15 units0.15 mL13
1 mg (protocol dose)20 units0.2 mL10

Units on a U-100 insulin syringe (100 units = 1 mL).

Common questions

How many units is 1 mg of PT-141 (Bremelanotide) from a 10 mg vial with 2 mL water?

1 mg is 20 units (0.2 mL) on a U-100 insulin syringe. With 2 mL of water in a 10 mg vial, each unit holds 50 mcg. For comparison: 300 mcg = 6 units, 500 mcg = 10 units, 750 mcg = 15 units.

What is the concentration of a 10 mg PT-141 (Bremelanotide) vial mixed with 2 mL of water?

10 mg divided by 2 mL is 5 mg/mL, or 5000 mcg per mL. On a U-100 syringe (100 units = 1 mL) that is 50 mcg per unit.

How many 1 mg doses are in a 10 mg vial?

About 10. The water volume changes how many units each dose takes, not how many doses the vial holds.

How much water should I add to a 10 mg PT-141 (Bremelanotide) vial?

The Crestigen PT-141 (Bremelanotide) protocol uses 3 mL. 2 mL works too as long as you calculate units for this concentration (5 mg/mL) and label the vial.

Other PT-141 (Bremelanotide) vial and water combinations

Open this in the dosage calculator · Full PT-141 (Bremelanotide) protocol, reconstitution and storage

Crestigen is an educational research reference. Nothing here is medical advice; many of these compounds are not approved for human use. Talk to a licensed clinician before using any substance.