GHRP-2
Potent growth hormone releasing peptide with moderate appetite stimulation
Clinical Research Score: 4/5 — Evaluated in human pharmacology trials, including Phase I studies, as a growth-hormone secretagogue, but not FDA-approved.
Categories: Hormonal Support, Performance & Energy
What is GHRP-2?
GHRP-2 sits in the sweet spot between raw power and tolerability. It produces one of the strongest GH pulses among the GHRP family — rivaling GHRP-6 — but without the overwhelming hunger that makes GHRP-6 challenging for many people.
People report excellent results in body composition improvement, sleep quality, and recovery. Muscle quality improves progressively. Fat loss accompanies the recomposition. The appetite increase is present but manageable — more of a healthy hunger than the urgent, must-eat-now intensity of GHRP-6.
For people who want potent GH stimulation but need to maintain control over their eating, GHRP-2 is often the preferred choice. It's also popular in combination protocols — pairing it with CJC-1295 creates a powerful GH-releasing combination that delivers sustained results with minimal side effects. It's the practical choice for serious GH optimization.
How GHRP-2 works
GHRP-2 activates the GHSR (ghrelin receptor) on the pituitary to stimulate a powerful growth hormone pulse. Compared to GHRP-6, it produces less appetite stimulation and smaller increases in cortisol and prolactin — making it a more selective GH releaser. The GH pulse it produces is substantial and reliable, driving the downstream benefits of elevated growth hormone: improved body composition, enhanced recovery, and better sleep quality.
Scientific overview
GHRP-2 is a synthetic hexapeptide GH secretagogue that acts via the ghrelin receptor. It is considered one of the most potent GHRP peptides for growth hormone release, producing a strong GH pulse when administered. Compared to GHRP-6, it causes less appetite stimulation and has been shown to increase cortisol and prolactin to a smaller degree than other GHRPs.
Dosing
- Starting dose: 100 mcg per dose
- Common dosage range: 100-300 mcg per dose
- Administration: Subcutaneous
- Half-life: ~15-60 minutes
- Frequency: 2-3x daily