Skip to content

Reference information only. Therapept does not sell peptides and does not provide medical advice.Research-use notice

Therapept
Hormones & Endocrine SignalingGrowth hormone secretagogue

Hexarelin

Hexarelin is studied as a growth hormone secretagogue; synthetic hexapeptide containing 2-methyl-d-tryptophan in biochemical and physiological models.

UnapprovedPreclinical Models Only (Animal / Lab)Also known as: Examorelin, EP-23905, MF-6003Skip to Human Evidence ↓
Other Research Areas

Hexarelin Biological Classification

Research Record

Investigated within physiological and chemical models.

At a glancePlain English, then the evidence
Not graded

What kind of compound

Peptide

Growth hormone secretagogue.

Human testing on file

0human records

0 animal · 0 total indexed. No plain-English evidence summary on file.

Regulatory position

No FDA-approved product

Studied for

Growth hormone secretagogues

Reviewed 15 September 2026

Known safety concerns in this file

  • No sourced human safety summary is recorded for this compound.

Commonly compared with

No comparison set is recorded for this compound yet.

Open side-by-side comparison →
1

What is Hexarelin?

Hexarelin is classified as a growth hormone secretagogue; synthetic hexapeptide containing 2-methyl-d-tryptophan. A synthetic growth hormone-releasing hexapeptide, INN examorelin, with no FDA-approved drug product and no entry on FDA's compounding tables. It is named on the WADA Prohibited List.

2

Why are people interested in it?

Researchers and clinicians study Hexarelin primarily to understand its biological interactions, receptor binding affinity, and potential role within its biochemical class.

Primary Research Categories

  • Growth hormone secretagogues
3

How does it work in the body?

Hexarelin interacts with specific cellular receptors and metabolic pathways corresponding to its structural classification as a growth hormone secretagogue; synthetic hexapeptide containing 2-methyl-d-tryptophan.

In Everyday Language: In laboratory settings, Hexarelin interacts with specific cellular targets to modulate biological signaling pathways associated with growth hormone secretagogue; synthetic hexapeptide containing 2-methyl-d-tryptophan biology.
Cellular & Receptor Signaling: Hexarelin interacts with specific cellular receptors and metabolic pathways corresponding to its structural classification as a growth hormone secretagogue; synthetic hexapeptide containing 2-methyl-d-tryptophan.

Biological Pathway Overview

Hexarelin Receptor & Target Interactions

This compound is evaluated in scientific research for its interactions with target cellular receptors and signaling cascades. Consult the evidence section below for specific peer-reviewed papers.

Target Pathway

Engages specific cellular signaling cascades characteristic of its structural family.

Endocrine/Paracrine Activity

Investigated for its regulatory effects on local tissue synthesis and cellular signaling.

4

What has actually been demonstrated in humans?

Preclinical Models Only (Animal / Lab)

Evidence for Hexarelin is currently derived primarily from laboratory or preclinical models. Consult the published evidence file for specific indexed studies.

Pharmaceutical Reality vs. Unregulated Research Chemicals

Hexarelin is not an FDA-approved medication. Always verify chemical identity and testing documentation before interpreting research literature.

5

What is still uncertain or unknown?

Controlled human clinical trials evaluating Hexarelin for therapeutic efficacy, safety, and pharmacokinetics are limited or absent in peer-reviewed Western registries.

Regulatory Position: Hexarelin is an investigational or unapproved compound. It is not approved by the FDA as a commercial pharmaceutical.

Companion Resources & Guides

Evidence Landscape→

Primary research publications and study designs indexed for Hexarelin.

Research at a Glance

Open the full evidence file (0 records)

No evidence records in this file yet.

What Has Actually Been Studied

    What is Still Unknown

    What we know

      Editorial reading of the records below, labelled as Therapept analysis. How records are built

      What remains uncertain

        Preparation and Handling

        Lyophilized peptides ship as freeze-dried powders; whatever happens next involves diluents, concentrations and storage conditions that are compound- and product-specific.

        Preparation Resource HubWhat “lyophilized” meansConcentration calculator

        United States Regulatory Status

        No FDA-approved product

        • No approved drug product exists in Drugs@FDA.
        • Not listed on FDA's Category 2 or withdrawn-nomination compounding tables at review.
        • No registered studies were returned by ClinicalTrials.gov for the intervention name hexarelin at review.

        WADA Anti-Doping Status

        Named at S2.2.4 among GH-releasing peptides, as “examorelin (hexarelin)”. Prohibited at all times.

        Technical Chemical SpecificationsClick to view CAS, sequence, and molecular formulas
        Molecular weight
        887.0 g/mol
        Sequence length
        40 chars
        CAS number
        140703-51-1
        PubChem CID
        6918297
        Compound class
        Growth hormone secretagogue; synthetic hexapeptide containing 2-methyl-D-tryptophan
        Sequence
        His-D-2-methyl-Trp-Ala-Trp-D-Phe-Lys-NH2
        Molecular formula
        C47H58N12O6
        Molecular weight
        887.0 g/mol
        CAS number
        140703-51-1
        PubChem CID
        6918297