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Home / All Peptides / Growth Hormone Secretagogue / Ipamorelin
Growth Hormone Secretagogue

Ipamorelin

CAS # 170851-70-4
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Compound Overview

Understanding the Research Profile of Ipamorelin

Ipamorelin is a selective pentapeptide growth hormone secretagogue that activates the ghrelin (GHS-R) receptor, valued in research for its clean release profile with minimal effect on cortisol or prolactin in preclinical models.

Ipamorelin is a five amino acid research peptide and one of the most selective growth hormone secretagogues available for laboratory study. It stimulates the GHS-R (ghrelin) receptor to trigger growth hormone release while showing little influence on cortisol, prolactin, or ACTH in published preclinical work — a selectivity profile that makes it a preferred reference compound in GH axis research.

Research Applications

  • Selective GHS-R receptor agonism studies
  • Growth hormone pulsatility research in preclinical models
  • Comparative selectivity studies versus GHRP-class peptides
  • Combination protocols with GHRH analog research compounds

Handling & Storage

Supplied as a lyophilized powder. Store sealed vials in a cool, dry place away from light; refrigerate after reconstitution with bacteriostatic water and avoid repeated freeze-thaw cycles.

This compound is intended for in-vitro research and laboratory use only. Not for human consumption.

Chemical Reference

Ipamorelin Structure

Ipamorelin molecular structure
CAS #170851-70-4
Molecular FormulaC38H49N9O5
Molecular Weight~711.9 g/mol
PubChem ID9831659
Documentation over decoration

Proof belongs on the product page.

Every batch of Ipamorelin is independently tested for identity and purity, and ships with its own Certificate of Analysis — lot information included, where a researcher can actually find it.

View Testing Documentation →
PRISTINEAMINOS Certificate of Analysis
Ipamorelin · Current batch
IdentityConfirmed
Purity≥99%
OriginUnited States

Batch COA provided with every order.

Selected Studies · Peer-Reviewed Literature

References

A curated list of published, peer-reviewed papers indexed in PubMed where Ipamorelin has been studied. Provided for research context only — linking to the literature does not constitute endorsement of any therapeutic application.

01
Raun K et al. (1998) · Eur J Endocrinol
Ipamorelin, the first selective growth hormone secretagogue
PubMed · 9849822 ↗
02
Mendias CL et al. (2026) · Sports Med
Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance
PubMed · 41966639 ↗
03
Mayfield CK et al. (2026) · Am J Sports Med
Injectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians
PubMed · 41476424 ↗
04
Rahman OF et al. (2026) · J Am Acad Orthop Surg Glob Res Rev
Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions
PubMed · 41490200 ↗
Common Questions

Frequently Asked Questions

What is Ipamorelin used for in research?

Ipamorelin is a selective pentapeptide growth hormone secretagogue that activates the ghrelin (GHS-R) receptor, valued in research for its clean release profile with minimal effect on cortisol or prolactin in preclinical models. This compound is intended for in-vitro research and laboratory use only. Not for human consumption.

How is purity verified?

Every batch is independently third-party tested using HPLC purity analysis and mass spectrometry. We guarantee ≥99% purity on all our research peptides, with a full Certificate of Analysis provided for each lot.

When does my order ship?

Orders placed before 4PM Pacific Time ship same-day, Monday–Friday. You'll receive a tracking number via email once your order leaves our facility. All orders are shipped with discreet packaging.

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