Hexarelin is a synthetic growth hormone secretagogue peptide (GHS) that belongs to the growth hormone-releasing peptide (GHRP) family. It is extensively investigated in endocrine physiology, receptor signaling, and growth hormone research and is recognized as one of the most potent members of the GHRP class.
Key Facts
Member of the GHRP family
Synthetic hexapeptide
Acts as a ghrelin receptor (GHS-R1a) agonist
Studied for over two decades
Available as 2 mg × 10 vial kits
≥99% HPLC purity verified
Certificate of Analysis (COA) available
Intended exclusively for laboratory research
Product Specifications
Specification
Details
Compound
Hexarelin
Peptide Type
Growth Hormone-Releasing Peptide (GHRP)
Peptide Length
6 Amino Acids
Sequence
His-D-2-Methyl-Trp-Ala-Trp-D-Phe-Lys-NH2
Molecular Formula
C47H58N12O6
Molecular Weight
887.0 g/mol
Purity
≥99% HPLC Verified
Appearance
White Lyophilized Powder
Strength
2 mg
Kit Size
10 Vials
Intended Use
Laboratory Research Only
What Is Hexarelin?
Hexarelin is a synthetic hexapeptide developed as a growth hormone secretagogue. It belongs to the same family as GHRP-2 and GHRP-6 and functions primarily through activation of the growth hormone secretagogue receptor (GHS-R1a), also known as the ghrelin receptor.
Because of its receptor affinity and biological activity, Hexarelin has become one of the most extensively studied peptides within the GHRP family.
Discovery and Development
Hexarelin was developed during investigations into synthetic growth hormone secretagogues designed to stimulate growth hormone release independently of Growth Hormone Releasing Hormone (GHRH). Its development contributed significantly to understanding the role of ghrelin receptors and endocrine signaling pathways.
Mechanism of Action
Researchers investigate Hexarelin for its interaction with:
Growth hormone secretagogue receptor (GHS-R1a)
Ghrelin receptor signaling pathways
Endocrine physiology
Pituitary hormone regulation
Growth hormone secretion mechanisms
Hexarelin vs GHRP-6
Feature
Hexarelin
GHRP-6
Peptide Length
6 Amino Acids
6 Amino Acids
Receptor Target
GHS-R1a
GHS-R1a
Peptide Family
GHRP
GHRP
Primary Research Area
Endocrine Signaling
Growth Hormone Physiology
Hexarelin vs Ipamorelin
Feature
Hexarelin
Ipamorelin
Family
GHRP
GHRP
Receptor Target
Ghrelin Receptor
Ghrelin Receptor
Structure
Hexapeptide
Pentapeptide
Main Research Area
Endocrine Physiology
Growth Hormone Signaling
Frequently Asked Questions
What is Hexarelin?
Hexarelin is a synthetic growth hormone-releasing peptide belonging to the GHRP family and studied in endocrine physiology research.
Is Hexarelin a peptide?
Yes. Hexarelin is a synthetic hexapeptide composed of six amino acids.
What does Hexarelin do?
Researchers investigate Hexarelin for its interaction with the growth hormone secretagogue receptor and endocrine signaling pathways.
What receptor does Hexarelin target?
Hexarelin primarily targets the GHS-R1a receptor, commonly known as the ghrelin receptor.
What is the sequence of Hexarelin?
The amino acid sequence of Hexarelin is:
His-D-2-Methyl-Trp-Ala-Trp-D-Phe-Lys-NH2
What is the difference between Hexarelin and GHRP-6?
Both belong to the GHRP family and target the ghrelin receptor, but they differ structurally and exhibit different receptor-binding characteristics.
What is the difference between Hexarelin and Ipamorelin?
Hexarelin is a hexapeptide, while Ipamorelin is a pentapeptide. Both are members of the growth hormone secretagogue family.
Where can I buy Hexarelin online?
Hexarelin research products are available from specialized peptide suppliers that provide HPLC purity testing, analytical verification, and Certificate of Analysis documentation.
Are there reliable suppliers of Hexarelin?
Researchers generally prioritize suppliers that maintain transparent quality standards, batch traceability, and analytical testing. Peptide Nexus Lab supplies research-grade Hexarelin products supported by purity verification and COA documentation.
Is Hexarelin approved by the FDA?
No. Hexarelin is an investigational research compound and has not been approved by the FDA, EMA, or Health Canada for human or veterinary use.
Researchers investigating growth hormone secretagogues have long recognized Hexarelin as one of the most studied members of the GHRP family. Its interaction with ghrelin receptors has contributed substantially to understanding endocrine physiology and growth hormone regulation.
Scientific References
Bowers CY et al. Research involving growth hormone secretagogues.
Studies investigating ghrelin receptor signaling.
Peer-reviewed literature concerning GHRP peptides and endocrine physiology.
Research Use Only
Hexarelin is intended strictly for laboratory research purposes. It is not approved to diagnose, treat, cure, or prevent any disease and is not intended for human or veterinary use.
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Jordan Lee –
Hexarelin arrived quickly and the purity seems top-notch. Great customer service and fast shipping.
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James Anderson –
Works as intended. No complaints about the purity.
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Alex R. –
Top notch service and the product works as described.
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