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GHRP-2 vs Hexarelin

A side-by-side research comparison of GHRP-2 and Hexarelin across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

AttributeGHRP-2Hexarelin
Full nameGrowth Hormone Releasing Peptide-2 (Pralmorelin)Hexarelin (Examorelin)
CategoryGrowth HormoneGrowth Hormone
StatusResearch compoundResearch compound
MechanismPotent GHSR-1a agonist stimulating GH release and appetite. Also mildly stimulates ACTH/cortisol release.Potent GHSR-1a agonist producing maximal pituitary GH output. Additionally binds cardiac CD36, providing cardioprotection through anti-apoptotic mechanisms independent of GH.
Molecular weight818 Da887 Da
Half-life1-2 hours1-2 hours
BioavailabilityHigh (SubQ)High (SubQ)
Typical dose100-300 mcg100-200 mcg
Frequency2-3x daily2-3x daily
RouteSubcutaneousSubcutaneous

GHRP-2 reported benefits

  • Strongest GH release among GHRPs
  • Appetite stimulation
  • Recovery improvement
  • Enhanced sleep
  • Muscle preservation

Hexarelin reported benefits

  • Strongest GH release
  • Cardioprotective effects
  • Recovery acceleration
  • Anti-fibrotic (cardiac)
  • Neuroprotective potential

Related comparisons

Research and educational reference only. Not medical advice.