GHRP-2
Pralmorelin · KP-102 · GPA-748
A synthetic growth hormone releasing peptide that mimics ghrelin, used in Japan as a diagnostic agent for growth hormone deficiency.
At a glance
- Category
- Growth Hormone
- Half-life
- Not characterised
- Typical vial sizes
- 5 mg · 10 mg
Concentration by water volume
Pure arithmetic: the vial strength divided by the water added. The dose itself comes from your clinician, pharmacy, product instructions, or research protocol — enter it in the calculator below.
| Vial | Water added | Concentration | Per U-100 unit |
|---|---|---|---|
| 5 mg | 1 mL | 5 mg/mL | 50 mcg |
| 5 mg | 2 mL | 2.5 mg/mL | 25 mcg |
| 5 mg | 3 mL | 1.667 mg/mL | 16.667 mcg |
| 10 mg | 1 mL | 10 mg/mL | 100 mcg |
| 10 mg | 2 mL | 5 mg/mL | 50 mcg |
| 10 mg | 3 mL | 3.333 mg/mL | 33.333 mcg |
Storage
- Lyophilised (unmixed)
- Refrigerated; keep dry and protected from light.
- Reconstituted
- Refrigerate at 2-8C. Commonly cited as usable for ~30 days.
What people log it against
Outcomes users commonly track alongside this compound. Listing them is not a claim that it produces them.
- Growth hormone response tracking
- Appetite tracking
References
Each source below establishes only the specific claim noted with it, last checked 2026-08-14. Storage times reflect common handling guidance and are not established by these references.
- Pralmorelin drug monograph, Drugs R&D 2004 — PMID 15230633
Development monograph. Establishes the diagnostic use and the GH peak cut-off of 15.0 mcg/L separating GH-deficient patients from healthy controls. States NO elimination half-life, which is why halfLifeHours is null here.
- Laferrere et al., J Clin Endocrinol Metab 2005 — PMID 15699539
Subcutaneous infusion of 1 mcg/kg/h for 270 min in 7 lean healthy men increased ad libitum food intake. Establishes the appetite effect in humans; measures response, not peptide clearance.
Run your own numbers
Enter the dose and concentration from your clinician, pharmacy, product instructions, or research protocol. VialPal handles the math.
As printed on the vial label
How much water you add to the vial
From your clinician, pharmacy, product instructions, or research protocol. 1000 mcg = 1 mg
Fills in a vial size this compound is commonly sold in. It does not fill in a dose — check the size against your own vial label.
Enter your numbers
Still needed: vial strength, bacteriostatic water, dose. Use the figures on your vial label and the dose from your clinician, pharmacy, product instructions, or research protocol — VialPal handles the math.
Keep this vial. VialPal holds the concentration, counts down the doses left in it, and logs the ones you actually took.
Get VialPalVialPal does the arithmetic — it does not tell you what to take. Dose decisions belong between you and a qualified clinician.