Back to database

GHRP-2

Also known as: Growth Hormone Releasing Peptide-2, Pralmorelin

Growth Hormone PeptidesApproved in Japan (diagnostic use)SubcutaneousIntramuscularIntranasal

A second-generation growth hormone secretagogue with the strongest GH release of the GHRP family. Less appetite stimulation than GHRP-6.

Molecular Weight

817.9 Da

Half-Life

~15-60 minutes

Sequence

D-Ala-D-2Nal-Ala-Trp-D-Phe-Lys-NH2

Mechanism of Action

Potent ghrelin receptor agonist. Stimulates GH release more potently than GHRP-6 with moderate effects on cortisol and prolactin.

Dosing Protocol

100-300 mcg subcutaneous 2-3x daily on empty stomach.

Open peptide calculator
Reconstitution

5mg vial + 2mL BAC water = 2500 mcg/mL.

Storage

Lyophilized: -20°C. Reconstituted: 2-8°C.

Side Effects
  • Moderate hunger increase
  • Water retention
  • Mild cortisol elevation
Key Research Findings
  • Strongest GH release of all GHRP peptides
  • Approved in Japan for GH deficiency diagnosis
  • Improved sleep quality and REM sleep duration

Research Use Only

This information is provided for educational and research purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional before using any research compounds.