GHRP-6 Reconstitution & Dosing

Quick answer: mix a 5 mg vial of GHRP-6 with 2 ml of bacteriostatic water. That gives 2.50 mg/ml, so a typical 200 mcg dose is 8.0 units on a U-100 insulin syringe — about 25 doses per vial. Reported protocols range 100 mcg300 mcg, 1–3x daily.

GHRP-6 is the classic first-generation GH secretagogue, known for the strong hunger it triggers through ghrelin signaling — a feature in bulking contexts, a bug everywhere else. Full overview: what is GHRP-6? →

Calculate your exact dose

Typical range: 100 mcg300 mcg, 1–3x daily

8.0 units
to draw on a U-100 insulin syringe (0.08 ml)
Concentration: 2.50 mg/ml (25.0 mcg per unit)
Doses per vial: 25
020406080100
Syringe fill (100-unit / 1 ml insulin syringe)

GHRP-6 mixing chart — 5 mg vial

Units to draw for a 200 mcg dose at different water amounts. More water never changes the dose — only the volume you measure.

Water addedConcentration200 mcg dose =Per unit
1 ml 5.00 mg/ml4.0 units50.0 mcg
2 ml ← typical2.50 mg/ml8.0 units25.0 mcg
2.5 ml 2.00 mg/ml10 units20.0 mcg
3 ml 1.67 mg/ml12 units16.7 mcg
5 ml 1.00 mg/ml20 units10.0 mcg

Protocol reference

Common vial sizes
5 mg
Reported dose range
100 mcg – 300 mcg
Frequency
1–3x daily
Administration
subcutaneous injection
Storage
Reconstituted: refrigerate, typically used within 4 weeks.

FAQ

How much bacteriostatic water do you add to GHRP-6?+

Most protocols mix a 5 mg vial of GHRP-6 with 2 ml of bacteriostatic water. This gives 2.50 mg/ml, so a typical 200 mcg dose is 8.0 units on a U-100 insulin syringe. More or less water is fine — it only changes the volume you draw, not the dose.

What is a typical GHRP-6 dose?+

Commonly reported GHRP-6 protocols use 100 mcg to 300 mcg, 1–3x daily, administered via subcutaneous injection. These are reference figures from published protocols, not medical advice — individual use should be guided by a healthcare provider.

How many doses are in a 5 mg vial of GHRP-6?+

At 200 mcg per dose, a 5 mg vial contains about 25 doses, regardless of how much water you add.

How should GHRP-6 be stored?+

Reconstituted: refrigerate, typically used within 4 weeks.

Related peptides

Educational reference only. Values reflect commonly published research protocols and are not medical advice or a recommendation to use any compound. GHRP-6 may not be approved for human use in your jurisdiction.