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Hexarelin

Name: Hexarelin
Brand: Peptide Titans
SKU: 532
Availability: InStock

Price range: $139.99 through $324.99

Hexarelin is a synthetic growth hormone–releasing peptide (GHRP) studied for its ability to stimulate growth hormone secretion through activation of the ghrelin (GHS-R1a) receptor. In research settings, it’s explored for effects on IGF-1 signaling, metabolic regulation, and cardiovascular-related pathways. Intended for research use only, not for human or veterinary use.

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Molecular Characteristics

Complete Specifications

CAS Registry Number: 140703-51-1
PubChem CID: Not available
Peptide Classification: Synthetic hexapeptide (growth hormone–releasing peptide)
Molecular Formula: C₄₇H₅₈N₁₂O₆
Molecular Weight: ~887.04 Da

Structural Composition

Amino Acid Sequence:
His-D-2-Me-Trp-Ala-Trp-D-Phe-Lys-NH₂
Length: 6 amino acids

Physical Properties

Appearance: White to off-white lyophilized powder
Solubility: Water, bacteriostatic water, phosphate-buffered saline (PBS)

Structural & Stability Notes

Hexarelin is a synthetic hexapeptide containing D-amino acid substitutions and a modified tryptophan residue (2-methyl-D-tryptophan), which enhance resistance to enzymatic degradation compared to peptides composed solely of L-amino acids. These structural modifications contribute to increased stability under controlled research conditions. Its short chain length supports efficient aqueous solubility and practical laboratory handling. Lyophilized storage and protection from moisture, light exposure, and repeated freeze–thaw cycles help preserve peptide integrity and maintain analytical consistency for research applications.

Research Applications

Growth Hormone Secretagogue Research

Hexarelin is utilized as a research compound in studies examining growth hormone secretagogue receptor (GHS-R1a) activation and endocrine signaling modulation. Laboratory investigations focus on its role in:

Ghrelin Receptor Activation Models: Investigation of receptor binding dynamics and downstream intracellular signaling cascades
Pulsatile Growth Hormone Release Studies: Evaluation of hormone secretion amplitude and timing under experimental conditions
Calcium Mobilization Pathway Research: Analysis of intracellular calcium flux and signal amplification mechanisms
Hypothalamic–Pituitary Axis Models: Examination of endocrine regulatory loops influenced by secretagogue activity
Receptor Desensitization Studies: Investigation of signal attenuation and receptor sensitivity over repeated exposure

Experimental protocols commonly employ receptor-binding assays, pituitary cell culture systems, and endocrine monitoring models to characterize Hexarelin-mediated signaling responses.

Cardiovascular and Vascular Research

Hexarelin has been examined in research contexts involving cardiovascular signaling and myocardial cellular function. Key areas of investigation include:

Cardiomyocyte Signaling Models: Evaluation of intracellular pathways influencing cardiac cell activity
Vascular Endothelial Function Studies: Investigation of nitric oxide signaling and vascular responsiveness
Myocardial Stress Response Research: Analysis of cellular adaptation to oxidative and mechanical stress
Angiogenic Signaling Pathways: Research into vascular growth factor regulation under experimental conditions
Cardiac Remodeling Models: Examination of extracellular matrix and structural signaling in myocardial tissues

These studies utilize cardiac cell cultures, vascular assays, and molecular profiling techniques to evaluate cardiovascular signaling outcomes.

Anabolic and Muscle Signaling Research

Hexarelin has also been explored in research models examining anabolic signaling and muscle tissue regulation, including:

Protein Synthesis Pathway Studies: Evaluation of intracellular cascades associated with growth hormone–mediated signaling
Myoblast Differentiation Models: Investigation of muscle precursor cell proliferation and maturation
IGF-Related Signaling Research: Analysis of downstream growth factor pathways
Tissue Adaptation Mechanisms: Examination of cellular responses to altered endocrine stimulation

Laboratory protocols assess molecular markers, cellular growth patterns, and anabolic signaling activity using biochemical and imaging-based techniques.

Cellular Signaling and Endocrine Regulation Research

Additional research applications explore Hexarelin’s influence on intracellular regulatory systems involved in endocrine balance and metabolic adaptation, including:

MAPK and PI3K-AKT Pathway Studies: Investigation of growth hormone–associated signaling cascades
Gene Expression Profiling: Analysis of transcriptional responses following receptor activation
Calcium Signaling Regulation: Research into intracellular calcium dynamics associated with secretagogue pathways
Endocrine Feedback Mechanisms: Examination of regulatory systems preserving hormonal equilibrium

Research in this domain focuses on understanding how Hexarelin influences ghrelin receptor signaling, endocrine pulse dynamics, and downstream growth-related pathways under controlled experimental conditions.

Laboratory Handling and Storage Protocols

Lyophilized Powder Storage

Store at –20°C to –80°C in the original, sealed vial
Protect from light exposure and moisture
A desiccated storage environment is recommended
Stability data suggests extended stability when stored at −20 °C or below.

Reconstitution Guidelines

Reconstitute using sterile water, bacteriostatic water (0.9% benzyl alcohol), or an appropriate laboratory buffer
Introduce solvent slowly along the vial wall to minimize foaming
Mix using gentle swirling; avoid vigorous agitation or shaking
Allow complete dissolution prior to use (typically 1–2 minutes)
Ensure the final solution is within a physiologically neutral pH range appropriate for laboratory use

Reconstituted Solution Storage

Short-term storage: Up to 7 days at 4°C
Long-term storage: Store at –20°C in aliquots
Use single-use aliquots to preserve peptide integrity
Minimize freeze–thaw cycles; single-use aliquots are strongly recommended

Stability Characteristics

Hexarelin is a synthetic peptide research compound that demonstrates stable handling characteristics when managed according to standard peptide laboratory protocols. Proper cold storage of the lyophilized material, careful reconstitution, and minimized freeze–thaw exposure help preserve structural integrity and solubility. When handled appropriately, Hexarelin supports consistent use in in vitro and analytical research applications.

Frequently Asked Questions

What is Hexarelin?

Hexarelin is a synthetic six–amino acid peptide designed to activate the GHS-R1a receptor in experimental models. It is commonly used in laboratory research exploring growth hormone–related signaling mechanisms.

What is Hexarelin commonly researched for?

In controlled laboratory and preclinical models, Hexarelin is studied for:

Growth hormone signaling pathways
Ghrelin receptor (GHS-R1a) activation
IGF-1 pathway research
Endocrine regulation and receptor-binding investigations

All applications are exploratory and conducted in research settings.

How does Hexarelin differ from other GHRPs?

Hexarelin is structurally distinct from other growth hormone–releasing peptides such as GHRP-6 or GHRP-2. These structural differences may influence receptor affinity, signaling strength, and activity duration in comparative research models.

Is Hexarelin the same as GHRH analogs like CJC-1295?

No. Hexarelin primarily activates the ghrelin receptor (GHS-R1a), while GHRH analogs such as CJC-1295 act through the GHRH receptor. Although both are studied in growth hormone pathway research, their mechanisms of action differ.

How is Hexarelin supplied?

Hexarelin is typically supplied as a lyophilized (freeze-dried) powder in sealed research vials to maintain stability during storage and shipment.

How should unreconstituted Hexarelin be stored?

Lyophilized Hexarelin should be stored:

Long-term: −20 °C to −80 °C
Short-term: 2–8 °C

Keep vials sealed and protected from light and moisture until use.

How should reconstituted Hexarelin be handled and stored?

Once reconstituted:

Store at 2–8 °C for short-term laboratory use
For extended storage, aliquot and freeze at −20 °C or below
Minimize freeze–thaw cycles using single-use aliquots
Gently swirl to mix; avoid vigorous agitation

Does Hexarelin require a Certificate of Analysis (COA)?

Yes. A Certificate of Analysis (COA) should be available for each batch, verifying peptide identity, purity, and analytical testing results to support research quality and traceability.

Is Hexarelin FDA-approved?

No. Hexarelin is not FDA-approved as a drug, supplement, or therapeutic product. It is sold exclusively as a research compound and must not be marketed or used for diagnostic, therapeutic, or consumption purposes.

⚠️ Research Use Only

This product is not for human consumption. It is sold strictly for research and educational purposes and is not intended to diagnose, treat, cure, or prevent any disease.

Any clinical data or research information referenced on this page is derived from peer-reviewed scientific literature and official publications. This information is provided for educational reference only and does not constitute medical advice or product claims.

By purchasing this product, you acknowledge that you are a qualified researcher and agree to use it in full compliance with all applicable laws and regulations.