Growth Hormone Releasing Peptide-2 (GHRP-2)
Overview. GHRP-2 (Growth Hormone Releasing Peptide-2) is a synthetic peptide widely used in laboratory research to study growth hormone regulation and its effects on cellular processes. Classified as a growth hormone secretagogue, GHRP-2 stimulates the pituitary gland to release growth hormone in research models, making it a useful tool in regenerative, metabolic, and tissue-repair investigations.
Mechanism of action. GHRP-2 interacts with the ghrelin receptor (GHS-R1a), triggering signaling pathways associated with growth hormone release. In controlled studies this activity is examined across several processes:
- Cellular regeneration and tissue repair
- Muscle maintenance and recovery research
- Collagen synthesis and skin-health models
- Metabolic regulation and nutrient signaling
- Longevity and anti-aging research
GHRP-2 Specifications
- Compound: GHRP-2 (pralmorelin), synthetic growth hormone secretagogue
- Purity: third-party HPLC verified
- Form: lyophilized powder
- Storage: store at -20°C; after reconstitution refrigerate at 2–8°C
Research Applications
- Growth hormone secretion and regulation research
- GHS-R1a (ghrelin receptor) signaling studies
- Metabolic and endocrine system models
- Muscle tissue repair and recovery research
- Anti-aging and regenerative research
GHRP-2 — Frequently Asked Questions
What is GHRP-2?
GHRP-2 (also known as pralmorelin) is a synthetic growth hormone secretagogue studied in laboratories for its ability to stimulate pituitary growth hormone release via the ghrelin receptor. It is supplied strictly for in-vitro and laboratory research.
What is the difference between GHRP-2 and GHRP-6?
Both are growth hormone-releasing peptides that act on the ghrelin receptor. In research models GHRP-2 is generally characterized as a more selective growth hormone secretagogue with comparatively less appetite-related signaling than GHRP-6.
Is GHRP-2 third-party tested?
Yes. Every batch is independently HPLC-tested for identity and purity before it is released.
Related Research Peptides
Researchers studying GHRP-2 often also work with CJC-1295 No DAC + Ipamorelin and compounds in our recovery research and growth hormone & IGF-1 research collections.
Nothing on this page is medical advice or a dosing recommendation.
Related Research Compounds
GHRP-2 is commonly researched alongside other growth hormone secretagogue and releasing peptides. Explore related third-party tested compounds:
- CJC-1295 with DAC — long-acting GHRH analog research peptide.
- CJC-1295 No DAC + Ipamorelin — GHRH + ghrelin-receptor research blend.
- Sermorelin — GHRH analog growth hormone research peptide.
GHRP-2 — Related Compounds & Research Reading
Growth-hormone secretagogues are usually studied comparatively. Related third-party tested compounds and handling methodology:
- Hexarelin Acetate 5mg — the GHRP most often benchmarked against GHRP-2 for potency.
- Ipamorelin — selective secretagogue studied for GH release without cortisol or prolactin elevation.
- Sermorelin — GHRH analog acting on a different upstream receptor.
- CJC-1295 No DAC + Ipamorelin — the GHRH/GHRP combination used in pairing studies.
- Tesamorelin — stabilized GHRH analog for endocrine signaling research.
Reconstitution Chart (2 mL)
Mixing reagent: Bacteriostatic water. Add 2 mL to the vial.
| Vial size | Concentration | Per 1 unit (100-unit syringe) | Per 10 units |
|---|---|---|---|
| 5 mg | 2.5 mg/mL | 25 mcg | 250 mcg |
| 10 mg | 5 mg/mL | 50 mcg | 500 mcg |
Chart shows mixing math only.
For research use only.






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