What is GHRP-2?
GHRP-2 is a synthetic hexapeptide growth-hormone secretagogue, studied as a middle ground between GHRP-6 (strong appetite signaling) and Ipamorelin (selective and clean).
How GHRP-2 works (research mechanism)
GHRP-2 activates the GH-secretagogue receptor for GH release, with a reportedly smaller appetite response than GHRP-6 and somewhat more than Ipamorelin in research models.
Primary research applications
GH-release research
A potent GHRP for growth-hormone-pulse studies.
Body-composition models
Studied for downstream metabolic endpoints.
GHRH synergy research
Paired with CJC-1295 in stacking studies.
Research dosing reference
Research references commonly cite 100-300 mcg two to three times daily. Reference values only.
Reconstitution & handling
GHRP-2 ships as a lyophilized (freeze-dried) powder and must be reconstituted before use in any liquid research model. Allow the vial to reach room temperature, swab the stopper, then add bacteriostatic water slowly down the inside wall of the vial - never spray it directly onto the powder. Swirl gently until dissolved; do not shake, as shaking foams the solution and stresses the peptide. The volume of water you add sets the concentration: a 5 mg vial reconstituted with 2 mL yields 2,500 mcg/mL, so 0.1 mL measures 250 mcg. A correctly reconstituted GHRP-2 solution is clear; discard if it is cloudy or shows particulate.
Storage & stability
Store un-reconstituted GHRP-2 vials refrigerated and protected from light for long-term stability; the lyophilized form is robust and tolerates shipping. After reconstitution, refrigerate at 2-8C, keep away from light, and use within the typical research window of roughly two to four weeks. The benzyl alcohol in bacteriostatic water helps inhibit microbial growth across that period. Always label reconstituted vials with the concentration and date.
Common research pairings
GHRP-2 + CJC-1295 is a common research pairing; prolactin is monitored in models.
How GHRP-2 compares
GHRP-2 is studied as a balance between GHRP-6 potency/appetite and Ipamorelin selectivity.
Safety & research considerations
GHRP-2 is a research chemical not approved for human use. For laboratory research only.
Sourcing, purity & Certificate of Analysis
Every lot of GHRP-2 sold by Peptides Factory Direct is third-party tested to a 99%+ purity target, with identity confirmed by mass spectrometry and purity quantified by HPLC. A Certificate of Analysis (COA) documenting these results is available on request and ties each vial to a tracked lot. Material ships nationwide to all 50 US states with cold-chain handling where appropriate and fast domestic dispatch. This documentation is what separates research-grade GHRP-2 from unverified material - quality is established before the vial ever reaches your lab.
How to order GHRP-2 for research
GHRP-2 can be ordered through the Peptides Factory Direct research portal as a one-time purchase or on a recurring research schedule (every 2 weeks, monthly, every 2 months, or every 3 months). Checkout requires confirming you are 21 or older, purchasing for laboratory research only, and that the product is not for human or animal consumption. Bulk and standing-order pricing is available - note it in your order. Open the order portal to view current research sizes and pricing.
Frequently asked questions
How does GHRP-2 compare with GHRP-6 and Ipamorelin?
It produces strong GH release with less appetite signaling than GHRP-6 and slightly more off-target activity than Ipamorelin. Research use only.
What sizes are available?
5 mg and 10 mg vials, third-party tested, COA on request.
Is GHRP-2 FDA approved?
No, it is a research chemical, not for human consumption.
Related Growth Hormone & Muscle peptides
All Growth Hormone & Muscle peptides · Research guides & articles
External references: Peptides (Wikipedia) · U.S. Food and Drug Administration