GHRP-6 (5MG / 10MG)

What Is GHRP-6 and Why Buy It for Research?

Buy GHRP-6 in Switzerland for research into growth hormone axis signaling, ghrelin receptor pharmacology, and metabolic regulation. Specifically, GHRP-6 (also known as Growth Hormone-Releasing Peptide-6) is a synthetic hexapeptide composed of six amino acids with the sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH₂. It is a member of the growth hormone-releasing peptide (GHRP) family and acts as a potent agonist of the growth hormone secretagogue receptor type 1a (GHS-R1a), also known as the ghrelin receptor.

GHRP-6 was first described in the scientific literature in the 1980s as one of the first synthetic growth hormone secretagogues, with researchers Bowers and colleagues identifying its potent GH-releasing activity. The peptide has a molecular weight of 873.0 g/mol and the molecular formula C₄₆H₅₆N₁₂O₆. In scientific research, GHRP-6 serves as a molecular tool for studying GH secretion pathways, ghrelin receptor signaling, and neuroendocrine regulation. Furthermore, Core Peptides supplies GHRP-6 as a lyophilized powder in both 5mg and 10mg formats exclusively for laboratory use. Therefore, researchers seeking to source this compound for their work will find it readily available when they buy GHRP-6 in Switzerland.

GHRP-6 Research Overview: Buy GHRP-6 in Switzerland for GHS-R1a Studies

Centrally, research into GHRP-6 has focused on its function as a potent agonist of the ghrelin receptor (GHS-R1a). GHRP-6 mimics the action of the endogenous ligand ghrelin, binding to the GHS-R1a with high affinity. This binding event initiates a conformational change in the receptor, a G-protein-coupled receptor (GPCR), leading to the activation of downstream signaling pathways. GHRP-6 acts at both hypothalamic and pituitary sites to powerfully stimulate the release of growth hormone (GH).

The primary signaling pathway involves the coupling of activated GHS-R1a to the Gαq/11 subunit of the heterotrimeric G protein. This activation stimulates phospholipase C (PLC), which hydrolyzes phosphatidylinositol 4,5-bisphosphate (PIP2) into two key second messengers: inositol trisphosphate (IP3) and diacylglycerol (DAG). IP3 triggers the release of stored calcium (Ca²⁺) from the endoplasmic reticulum, and this sharp increase in intracellular calcium is critical for the exocytosis of growth hormone-containing vesicles from somatotroph cells in the anterior pituitary. Additionally, DAG activates protein kinase C (PKC), contributing to downstream cellular responses.

GHRP-6 is frequently compared to GHRP-2; both are potent GHRPs that stimulate the release of growth hormone from the pituitary. However, GHRP-6 is generally considered to have slightly more appetite-stimulating effects than GHRP-2. Additionally, GHRP-6 has been shown to have potent anti-inflammatory effects, reducing inflammation in models of chronic arthritis. Accordingly, researchers who buy GHRP-6 in Switzerland from Core Peptides can support their investigations into GHS-R1a signaling, GH secretion, and neuroendocrine regulation.

How Does GHRP-6 Work in Research?

Mechanistically, GHRP-6’s proposed action involves functioning as a ghrelin receptor agonist that activates GHS-R1a to stimulate GH release through multiple signaling pathways. The peptide operates through several interconnected mechanisms.

GHS-R1a Receptor Activation

GHRP-6 binds to and activates the growth hormone secretagogue receptor type 1a (GHS-R1a), a G-protein coupled receptor (GPCR) expressed on pituitary somatotrophs and in hypothalamic neurons. This binding event initiates a conformational change in the receptor, leading to the activation of downstream signaling pathways. GHRP-6 demonstrates potent agonism at GHS-R1a with an EC50 of approximately 2.5 nM for calcium mobilization. The peptide’s sequence incorporates D-amino acid residues, which enhance its metabolic stability and resistance to proteolytic degradation, contributing to its sustained biological activity.

Intracellular Signaling Cascade

The primary signaling pathway involves the coupling of activated GHS-R1a to the Gαq/11 subunit of the heterotrimeric G protein. This activation stimulates phospholipase C (PLC), which hydrolyzes phosphatidylinositol 4,5-bisphosphate (PIP2) into two key second messengers: inositol trisphosphate (IP3) and diacylglycerol (DAG). IP3 triggers the release of stored calcium (Ca²⁺) from the endoplasmic reticulum, and the resulting sharp increase in intracellular calcium is critical for the exocytosis of growth hormone-containing vesicles. Additionally, DAG activates protein kinase C (PKC), which contributes to downstream cellular responses. Modulation of the cAMP/PKA and MAPK/ERK signaling pathways has also been implicated in the cellular response to GHSR agonists.

Growth Hormone Release

GHRP-6 stimulates the release of endogenous growth hormone from the pituitary gland. The peptide has been shown to be effective at stimulating GH production in research subjects. GHRP-6 acts synergistically with GHRH to produce a more robust GH response than either peptide alone, making it a valuable tool for studying the convergence of GHRH and ghrelin signaling pathways.

Orexigenic and Extra-Pituitary Effects

Beyond pituitary GH release, GHRP-6 is known for its significant appetite-stimulating effects. GHRP-6 produces notably more appetite stimulation than GHRP-2 while maintaining similar GH-releasing potency. The peptide activates hypothalamic circuits that regulate food intake, providing insights into the neuroendocrine control of appetite and energy balance. Additionally, GHRP-6 has demonstrated potent anti-inflammatory effects, reducing inflammation in models of chronic arthritis.

Why Is GHRP-6 Studied in Switzerland?

Primarily, researchers study GHRP-6 because it represents a well-characterized GHS-R1a agonist that enables investigation of GH secretion, ghrelin receptor signaling, and orexigenic pathways. In fact, this compound offers a focused tool for studying the molecular mechanisms underlying GH pulsatility, appetite regulation, and energy metabolism.

Research has demonstrated GHRP-6’s relevance across multiple domains. GHRP-6 has been shown to stimulate GH release through the hypothalamic-pituitary axis and is known for its orexigenic (appetite-stimulating) properties. The peptide has demonstrated anti-inflammatory effects and has been studied for its potential in treating cachexia and other wasting conditions.

Furthermore, GHRP-6 has been studied for its potential therapeutic roles in muscle wasting and catabolic states. The peptide’s significant appetite-stimulating effects make it a valuable tool for studying the ghrelin receptor’s role in energy balance. GHRP-6 also has effects on gastrointestinal motility and has been studied for its potential role in gastric emptying. Ultimately, researchers who buy GHRP-6 in Switzerland gain access to a comprehensive research tool for investigating GH axis signaling, ghrelin receptor pharmacology, appetite regulation, and neuroendocrine research.

GHRP-6 Research Areas in Laboratory Studies

Research Area	Focus	Evidence Level
GHS-R1a Receptor Pharmacology	Receptor binding, Gq/11 signaling, calcium mobilization	Mechanistic / In Vitro
GH Secretion	Pituitary GH release, GH pulsatility, GH axis regulation	Mechanistic / In Vivo
Appetite and Food Intake	Orexigenic signaling, ghrelin pathway activation, energy balance	Preclinical
Anti-Inflammatory Research	Immune cell ghrelin receptors, cytokine modulation, arthritis models	Preclinical
Cachexia and Wasting	Muscle preservation, catabolic states, metabolic regulation	Preclinical
Gastrointestinal Motility	Gastric emptying, GI function, motility regulation	Preclinical

GHRP-6 Compared With Related Research Compounds

Compound	Research Focus	Mechanism / Target	Key Difference
GHRP-6	GH release, appetite stimulation, anti-inflammatory	GHS-R1a agonist (Gq/11 signaling)	Strong appetite stimulation; potent GH release
GHRP-2 (Pralmorelin)	GH release, food intake, GH deficiency diagnosis	GHS-R1a agonist (Gq/11 signaling)	Stronger GH release; less appetite stimulation
Ipamorelin	Selective GH release	GHS-R1a agonist (Gq/11 signaling)	Weaker GH pulse; minimal cortisol/prolactin elevation
Hexarelin	GH release, cardioprotection	GHS-R1a agonist (Gq/11 signaling)	Most potent GH pulse; CD36 cardioprotection

Comparatively, GHRP-6 differs from other GHRPs in its orexigenic effects and research applications. On the one hand, GHRP-6 produces notably more appetite stimulation while maintaining similar GH-releasing potency to GHRP-2. On the other hand, GHRP-2 produces the strongest GH release among GHRPs and has been approved as a diagnostic agent for GH deficiency in Japan. In contrast, Ipamorelin provides more selective GH release with minimal cortisol or prolactin elevation, while Hexarelin is the most potent but also stimulates significant cortisol and prolactin release.

Research Applications for GHRP-6 in Switzerland

Scientists have investigated GHRP-6 across several research domains:

• GHS-R1a Receptor Pharmacology: Researchers use GHRP-6 to study ghrelin receptor binding, Gq/11 signaling, calcium mobilization, and biased agonism.
• GH Secretion Studies: The peptide is employed to investigate pituitary GH release, GH pulsatility, and GH axis regulation.
• Appetite and Energy Balance: GHRP-6’s orexigenic effects are studied in models of appetite regulation and energy metabolism.
• Anti-Inflammatory Research: The peptide has been investigated for its anti-inflammatory properties mediated by ghrelin receptor activation on immune cells.
• Cachexia and Wasting Research: Studies have examined GHRP-6’s potential in treating muscle wasting and catabolic states.
• Gastrointestinal Research: GHRP-6 has been studied for its effects on gastric emptying and gastrointestinal motility.

Evidently, researchers who buy GHRP-6 in Switzerland gain a valuable addition to any laboratory toolkit focused on GH axis signaling, ghrelin receptor pharmacology, appetite regulation, and neuroendocrine research.

GHRP-6 Product Specifications

Specification	Details
Product Name	GHRP-6 (Growth Hormone-Releasing Peptide-6)
Alternative Names	Growth Hormone-Releasing Peptide-6, GHRP-6
Available Dosages	5mg and 10mg
Form	Lyophilized powder
Purity	Not verified
Amino Acid Sequence	His-D-Trp-Ala-Trp-D-Phe-Lys-NH₂
Sequence Abbreviation	H-D-Trp-Ala-Trp-D-Phe-Lys-NH₂
Peptide Length	6 amino acids (hexapeptide)
Molecular Formula	C₄₆H₅₆N₁₂O₆
Molecular Weight	873.0 g/mol (free base)
CAS Number	87616-84-0 (free base)
Half-Life	Short (approximately 20-30 minutes)
Research Category	Growth Hormone Peptides / Muscle & Performance
Research Use	Laboratory research use only
CoA	Available upon request (not verified)
Storage	Lyophilized powder should be stored desiccated at -20°C or below, protected from light
Solubility	Soluble in water and bacteriostatic water; reconstitute slowly

How to Evaluate GHRP-6 Quality for Research

When sourcing GHRP-6 peptide for laboratory research, researchers should consider several quality indicators:

• Identity Confirmation: Analytical techniques such as mass spectrometry should confirm the compound’s molecular weight (873.0 g/mol) and sequence (His-D-Trp-Ala-Trp-D-Phe-Lys-NH₂).
• Purity Assessment: High-performance liquid chromatography (HPLC) should verify purity, with ≥98% considered standard for research-grade material.
• Batch Traceability: Lot numbers and batch information enable researchers to track specific production runs.
• Certificate of Analysis: A CoA should accompany the product, detailing analytical testing results including HPLC purity and identity confirmation.
• Labeling Accuracy: Proper labeling should clearly indicate the product name, amount (5mg or 10mg), sequence, molecular formula, CAS number, and storage recommendations.
• Storage Conditions: Appropriate storage at -20°C or below in desiccated, dark conditions helps maintain peptide stability.

Understanding the Certificate of Analysis

Typically, a Certificate of Analysis (CoA) accompanies research peptides and provides information about the specific batch’s analytical testing. For example, a CoA may include product identity confirmation, purity percentage as determined by HPLC, batch or lot number for traceability, analytical methods used (e.g., mass spectrometry, HPLC), and a physical description of the product.

Nevertheless, it is important to note that a CoA does not establish safety, efficacy, therapeutic effectiveness, or suitability for human use. Instead, it serves as a quality control document that helps researchers verify the identity and purity of the peptide they are using in their laboratory investigations.

Storage and Stability of GHRP-6

Core Peptides supplies GHRP-6 as a lyophilized (freeze-dried) powder. To maintain stability and integrity:

• Store the lyophilized powder desiccated at -20°C or below for long-term storage
• Store at 4°C for short-term storage if frequent access is required
• Avoid repeated freeze-thaw cycles
• Reconstitute only immediately before use with appropriate sterile solvents (e.g., bacteriostatic water or sterile water)
• Inject solvent slowly against the inner wall of the vial rather than directly onto the powder; do not shake
• Gently roll the vial in a circular motion to dissolve
• Once reconstituted, store at 4°C for 2-7 days or below -18°C for long-term storage
• For long-term storage, adding a carrier protein (0.1% HSA or BSA) is recommended
• Protect from light and moisture

Frequently Asked Questions About Buying GHRP-6 in Switzerland

What is GHRP-6?

Specifically, GHRP-6 (Growth Hormone-Releasing Peptide-6) is a synthetic hexapeptide growth hormone secretagogue with the sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH₂. It acts as a potent agonist of the ghrelin receptor (GHS-R1a).

What is GHRP-6 researched for?

Primarily, researchers study GHRP-6 for its role as a GHS-R1a agonist in GH secretion, appetite stimulation, and neuroendocrine signaling. Studies have investigated its effects on GH release, orexigenic signaling, anti-inflammatory properties, and metabolic regulation.

How does GHRP-6 work?

Mechanistically, GHRP-6 binds to and activates GHS-R1a, a GPCR on pituitary somatotrophs and hypothalamic neurons. This triggers Gαq/11 signaling, activating PLC, increasing intracellular calcium, and promoting GH exocytosis from somatotrophs.

What is the amino acid sequence of GHRP-6?

The amino acid sequence is His-D-Trp-Ala-Trp-D-Phe-Lys-NH₂.

What is the molecular weight of GHRP-6?

The molecular weight is 873.0 g/mol (free base).

What is the molecular formula of GHRP-6?

The molecular formula is C₄₆H₅₆N₁₂O₆.

What is the CAS number of GHRP-6?

The CAS number is 87616-84-0 (free base).

What dosages are available for GHRP-6?

GHRP-6 is available in both 5mg and 10mg lyophilized powder formats for laboratory research.

How does GHRP-6 differ from other GHRPs?

GHRP-6 produces notably more appetite stimulation while maintaining similar GH-releasing potency to GHRP-2. GHRP-2 produces the strongest GH release among GHRPs and has been approved as a diagnostic agent for GH deficiency in Japan.

What is the half-life of GHRP-6?

GHRP-6 has a short half-life of approximately 20-30 minutes, with peak GH concentrations occurring shortly after administration.

Is GHRP-6 approved as a medicine?

No. Regulatory authorities have not approved GHRP-6 as a medicine, pharmaceutical, or therapeutic agent. It is a research tool for laboratory use only.

Is GHRP-6 intended for human use?

No. GHRP-6 is intended for laboratory research use only and is not for human consumption, injection, or therapeutic application.

Where can I buy GHRP-6 in Switzerland?

You can buy GHRP-6 in Switzerland from Core Peptides, a trusted research peptide supplier serving the Swiss scientific community. GHRP-6 is available in 5mg and 10mg formats.

How should researchers evaluate GHRP-6 quality?

Researchers should look for identity confirmation via mass spectrometry, purity data from HPLC, batch traceability, and a Certificate of Analysis.

Related Research Compounds

Researchers interested in GHRP-6 may also find the following related compounds relevant to their work:

• GHRP-2 — A GHRP researched for potent GH release and diagnostic applications.
• Ipamorelin — A GHRP researched for selective GH release with minimal cortisol or prolactin elevation.
• Hexarelin — A GHRP researched for potent GH release and cardioprotective effects via CD36 binding.
• CJC-1295 (Mod GRF 1-29) — A GHRH analog researched for GH synthesis and pulsatile secretion.

Explore Growth Hormone Peptides

GHRP-6 belongs to the Growth Hormone Peptides category of research compounds. Growth Hormone Peptides products are studied for their potential roles in GH axis signaling, metabolic regulation, and growth-related pathways. Generally, researchers who buy GHRP-6 in Switzerland often pair it with related compounds in this category to explore complementary pathways in GH research and metabolic studies.

Explore Growth Hormone Blends

Researchers studying multi-peptide GH axis signaling and synergistic GH release may also find relevant compounds in the Growth Hormone Blends subcategory. GHRP-6’s potent GHS-R1a agonism and orexigenic effects make it a valuable component for investigating receptor pharmacology and convergent GH signaling.

Explore Muscle & Performance

Researchers studying muscle preservation, recovery, and performance-related mechanisms may also find relevant compounds in the Muscle & Performance category. GHRP-6’s effects on GH-dependent anabolic signaling make it a valuable tool for investigating muscle function and recovery.

Further Research

For researchers seeking to deepen their understanding of GHRP-6 and its research applications, the following areas may warrant further investigation:

• The relationship between GHRP-6-mediated GHS-R1a activation and specific downstream signaling pathways in different cell types
• Comparative studies between GHRP-6 and other GHRPs in various GH axis, appetite, and metabolic models
• The potential for GHRP-6’s orexigenic effects to provide insights into energy balance and appetite regulation research
• Mechanistic studies on GHRP-6’s interaction with the ghrelin receptor and its functional consequences for GH secretion and appetite
• Exploration of GHRP-6’s effects on different tissue systems beyond the GH axis

Research Disclaimer

GHRP-6 is a research peptide supplied for laboratory research use only. Researchers must not use it for human consumption, injection, or any form of therapeutic application. Moreover, this product is not a medicine, pharmaceutical, or medical device. Furthermore, Swissmedic, the FDA, EMA, or any other regulatory authority have not approved it for human use. Researchers should consult Swissmedic for applicable regulations and guidance on research peptide handling in Switzerland.

Generally, the information provided on this page is for educational and scientific reference purposes only. Therefore, it does not constitute medical advice, treatment recommendations, or dosing instructions. Ultimately, researchers bear the responsibility for ensuring that their use of this product complies with all applicable laws, regulations, and institutional guidelines.

Finally, all research involving peptides should be conducted by qualified personnel in appropriate laboratory settings with proper safety protocols.