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GHRP-6

Name: GHRP-6
Brand: Peptide Titans
SKU: 530
Availability: InStock

Price range: $149.99 through $279.99

GHRP-6 (Growth Hormone–Releasing Peptide-6) is a synthetic hexapeptide studied for its ability to stimulate growth hormone release by activating the ghrelin (GHS-R1a) receptor. In research settings, it’s explored for effects on IGF-1 signaling, appetite-related pathways, and metabolic regulation mechanisms. Intended for research use only, not for human or veterinary use.

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Molecular Characteristics

Complete Specifications

CAS Registry Number: 87616-84-0
PubChem CID: Not available
Peptide Classification: Synthetic hexapeptide (growth hormone–releasing peptide)
Molecular Formula: C₄₆H₅₆N₁₂O₆
Molecular Weight: ~872.99 Da

Structural Composition

Amino Acid Sequence:
His-D-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

GHRP-6 is a synthetic hexapeptide containing D-amino acid substitutions that enhance resistance to enzymatic degradation compared to purely L-configured peptides. The inclusion of D-tryptophan and D-phenylalanine contributes to improved structural persistence under research conditions. Its short chain length supports efficient 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 during research applications.

Research Applications

Growth Hormone Secretagogue Research

GHRP-6 (Growth Hormone Releasing Peptide-6) is utilized as a research compound in studies examining ghrelin receptor activation and growth hormone secretagogue signaling pathways. Laboratory investigations focus on its role in:

Ghrelin Receptor (GHS-R1a) Activation Models: Investigation of receptor binding dynamics and downstream intracellular signaling cascades
Pulsatile Growth Hormone Release Studies: Evaluation of transient endocrine signaling patterns under experimental conditions
Calcium and cAMP Pathway Research: Analysis of second messenger systems activated following receptor engagement
Hypothalamic–Pituitary Axis Models: Examination of feedback loops regulating endocrine balance
Peptide-Receptor Kinetics: Investigation of signal onset, amplitude, and duration characteristics

Experimental protocols commonly employ receptor-binding assays, pituitary cell culture systems, and endocrine monitoring models to characterize GHRP-6–mediated signaling responses.

Appetite and Metabolic Signaling Research

GHRP-6 has been examined in research contexts involving appetite-related signaling and metabolic regulation. Key areas of investigation include:

Orexigenic Signaling Models: Evaluation of neural pathways associated with feeding behavior under laboratory conditions
Energy Balance Studies: Investigation of systemic responses influencing substrate utilization and storage
Glucose and Lipid Interaction Research: Analysis of metabolic signaling cross-talk following secretagogue activation
Insulin and IGF Pathway Models: Research into downstream endocrine interactions
Hormonal Pulse Pattern Analysis: Examination of coordinated endocrine secretion dynamics

These studies utilize metabolic profiling, neuroendocrine assays, and longitudinal hormone monitoring systems to evaluate systemic effects.

Muscle and Anabolic Signaling Research

GHRP-6 has also been explored in research models examining growth-related and anabolic signaling pathways, including:

Protein Synthesis Pathway Studies: Evaluation of intracellular cascades associated with anabolic signaling
Muscle Cell Differentiation Models: Investigation of myoblast proliferation and maturation processes
IGF-Mediated Signaling Research: Analysis of downstream growth-related molecular pathways
Tissue Adaptation Models: 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 Homeostatic Regulation Research

Additional research applications explore GHRP-6’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 flux associated with secretagogue pathways
Endocrine Feedback Mechanisms: Examination of regulatory systems preserving hormonal equilibrium

Research in this domain focuses on understanding how GHRP-6 influences ghrelin receptor signaling, endocrine pulse dynamics, and metabolic regulatory 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

GHRP-6 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, GHRP-6 supports consistent use in in vitro and analytical research applications.

Frequently Asked Questions

What is GHRP-6?

GHRP-6 is a synthetic six–amino acid peptide designed to stimulate GHS-R1a receptor activation in research models. It is commonly used in laboratory studies examining growth hormone signaling mechanisms.

What is GHRP-6 commonly researched for?

In experimental and preclinical models, GHRP-6 is studied for:

Growth hormone release signaling
Ghrelin receptor (GHS-R1a) activation
IGF-1 pathway investigation
Endocrine and metabolic regulation models

All applications are exploratory and conducted in controlled laboratory environments.

How does GHRP-6 differ from other GHRPs?

GHRP-6 is one member of the growth hormone–releasing peptide family. It differs structurally from other GHRPs (such as GHRP-2 or Ipamorelin), which may influence receptor binding characteristics and downstream signaling responses in research models.

Is GHRP-6 the same as GHRH analogs like CJC-1295?

No. GHRP-6 acts primarily through ghrelin receptor activation (GHS-R1a), while GHRH analogs such as CJC-1295 act through the GHRH receptor. Although both are studied in growth hormone research, their mechanisms differ.

How is GHRP-6 supplied?

GHRP-6 is typically supplied as a lyophilized (freeze-dried) powder in sealed research vials to maintain stability during storage and shipment.

How should unreconstituted GHRP-6 be stored?

Lyophilized GHRP-6 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 GHRP-6 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 GHRP-6 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 GHRP-6 FDA-approved?

No. GHRP-6 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.