GH Secretagogues

Hexarelin

Also known as: Examorelin, HEX

Molecular Identifiers

Molecular Formula

C47H58N12O6

CAS Number

140703-51-1

PubChem CID

6918297

Molecular Weight

887.04 Da

Overview

First-generation synthetic hexapeptide GH secretagogue. Ghrelin receptor (GHS-R1a) agonist with greater potency than GHRP-6 but less selectivity than Ipamorelin. May elevate cortisol and prolactin.

Extended notation: His-D-2-Me-Trp-Ala-Trp-D-Phe-Lys-NH₂

Contains D-amino acids and modified amino acids

Half-life

~70 minutes

Administration Route

Subcutaneous

Category

GH Secretagogues

Mechanism of Action

  • Potent GHS-R1a receptor agonism
  • Robust stimulation of GH secretion
  • Increase in serum IGF-1
  • Cardioprotective effect independent of GH
  • Possible desensitization with prolonged use

Dosage Protocol

Data compiled from the literature. This does not constitute medical advice.

Parameter Value
Dose 200-300 mcg per injection
Frequency 2-3 times per day
Timing Morning, post-workout and evening
Duration 8-12 weeks (with off periods)

Reported Side Effects

Adverse effects described in the literature. Severity and frequency vary between individuals.

  • Cortisol elevation
  • Prolactin elevation
  • Facial flushing
  • Increased appetite
  • Headache
  • Water retention

Presentations & Preparation

Vials of Hexarelin found in the research market:

2 mg5 mg

Reconstitution

  • Diluent: Bacteriostatic water
  • Volume: 1-2 ml per 2 mg vial
  • Inject diluent slowly against the vial wall
  • Gently swirl until dissolved
  • Never shake

Storage

  • Lyophilized: Room temperature or refrigerated
  • Reconstituted: Refrigerated 2-8°C (up to 4 weeks)
  • Protect from light
  • Do not freeze after reconstitution
Reconstitution Calculator

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