GHRP-6 10mg (Growth Hormone Releasing Peptide-6) – Premium Research Grade
Synthetic Hexapeptide | GHS-R1a Ghrelin Receptor Agonist | ≥99% Purity | HPLC-Tested | Lyophilized Powder
Product Overview
GHRP-6 (Growth Hormone Releasing Peptide-6) is a synthetic hexapeptide and one of the original growth hormone secretagogues developed for research into GH axis pharmacology. This 10mg research-grade formulation provides laboratories with a high-purity, HPLC-verified compound for investigating ghrelin receptor (GHS-R1a) pharmacology, growth hormone secretion pathway modulation, endocrine axis signalling, and downstream metabolic responses in controlled experimental models.
As a member of the first-generation GHRP family — alongside GHRP-2 and Hexarelin — GHRP-6 was instrumental in establishing the existence of a dedicated growth hormone secretagogue receptor (GHS-R1a), later identified as the ghrelin receptor. This historical significance, combined with its well-characterised receptor pharmacology, makes GHRP-6 a foundational reference compound for researchers studying growth hormone axis biology and ghrelin receptor signalling pathways.
What is GHRP-6 and Why is it Researched?
GHRP-6 was developed in the 1980s as part of a systematic effort to create synthetic peptides capable of stimulating growth hormone release through a receptor-mediated mechanism distinct from GHRH (Growth Hormone Releasing Hormone). Its discovery and characterisation led directly to the identification of the ghrelin receptor — one of the most significant advances in endocrinology research of the past four decades.
The ghrelin receptor (GHS-R1a) is now known to play roles far beyond GH secretion, including appetite regulation, energy homeostasis, glucose metabolism, and cardiovascular function. GHRP-6’s well-established GHS-R1a binding profile makes it a valuable research tool not only for GH axis studies but for any investigation requiring a defined, characterised ghrelin receptor agonist as a reference or experimental compound.
Mechanism of Action
GHRP-6 activates the growth hormone secretagogue axis through specific receptor engagement and downstream signalling:
GHS-R1a (Ghrelin Receptor) Activation — GHRP-6 binds with high affinity to GHS-R1a receptors expressed on pituitary somatotroph cells and hypothalamic neurons. GHS-R1a is a Gq-coupled receptor whose activation triggers intracellular calcium mobilisation and PKC pathway activation — the primary signal driving growth hormone secretion from pituitary cells in research models.
Dual GH-Releasing Mechanism — GHRP-6 stimulates GH release through two complementary pathways: direct pituitary GHS-R1a activation and indirect hypothalamic GHRH release stimulation. This dual mechanism makes it useful for researchers studying how peripheral secretagogue signals integrate with central hypothalamic GH axis regulation.
Ghrelin System Research — As a GHS-R1a agonist with a well-characterised binding profile, GHRP-6 serves as a valuable reference compound for researchers studying ghrelin receptor pharmacology, including competitive binding studies, receptor desensitisation mechanisms, and comparative analysis with endogenous ghrelin and other synthetic GHS-R1a ligands.
Downstream Metabolic Pathway Research — GHS-R1a activation influences multiple metabolic pathways beyond GH secretion, including appetite regulation, glucose homeostasis, and adipose tissue metabolism. GHRP-6 enables researchers to investigate how ghrelin receptor signalling contributes to these downstream metabolic effects in controlled laboratory models.
Research Applications
GHRP-6 10mg is suited for laboratory investigations including:
- GHS-R1a ghrelin receptor binding affinity and pharmacology studies
- Growth hormone secretion pathway and pituitary somatotroph research
- Hypothalamic-pituitary GH axis signalling investigations
- Comparative secretagogue studies alongside GHRP-2, Hexarelin, and Ipamorelin
- Ghrelin system and appetite regulation pathway research
- Downstream metabolic signalling and energy homeostasis studies
- Endocrine axis interaction and IGF-1 pathway investigations
- Comparative studies with other compounds in our growth hormone & muscle peptides category
Product Specifications
| Property | Detail |
|---|---|
| Peptide Type | Synthetic hexapeptide GHS-R1a agonist |
| Full Name | Growth Hormone Releasing Peptide-6 |
| Quantity | 10mg per vial |
| Amino Acid Length | 6 amino acids |
| Target Receptor | GHS-R1a (ghrelin receptor) |
| Form | Lyophilized powder |
| Purity | ≥99% (HPLC verified) |
| Category | Growth hormone & muscle research |
| Storage | -20°C long-term, 4°C short-term |
Storage & Reconstitution
Store lyophilized GHRP-6 at -20°C for long-term stability or at 4°C for use within 4–6 weeks. Protect from light and moisture at all times and keep vials tightly sealed until ready for use. Reconstitute with bacteriostatic water under sterile laboratory conditions. All reconstitution supplies are available in our accessories category.
Frequently Asked Questions — GHRP-6 10mg
What is GHRP-6 used for in research? GHRP-6 is used in laboratory research to investigate GHS-R1a ghrelin receptor pharmacology, growth hormone secretion pathway modulation, hypothalamic-pituitary GH axis signalling, ghrelin system biology, and downstream metabolic pathway responses. It is a foundational reference compound in growth hormone secretagogue research.
What is the GHS-R1a receptor and why is it important? GHS-R1a (Growth Hormone Secretagogue Receptor 1a) is the ghrelin receptor — a Gq-coupled receptor expressed on pituitary somatotrophs, hypothalamic neurons, and peripheral tissues. Its activation drives growth hormone release from the pituitary and influences appetite, energy homeostasis, and glucose metabolism. GHRP-6 was one of the compounds used to first characterise this receptor, making it a historically significant research tool.
How does GHRP-6 compare to other GHRPs like GHRP-2 and Ipamorelin? GHRP-6, GHRP-2, and Ipamorelin are all GHS-R1a agonists but with distinct receptor binding profiles and selectivity. GHRP-6 is the original characterised compound with a well-established research literature. GHRP-2 has higher GHS-R1a binding affinity. Ipamorelin is notable for its high selectivity with minimal off-target receptor activity. Researchers use all three comparatively to study GHS-R1a pharmacology across different binding profiles.
What does the 10mg quantity refer to? Each vial contains 10mg of lyophilized GHRP-6 peptide — a standard research quantity designed to support multiple experimental protocols within a single laboratory supply.
What purity level is your GHRP-6? Every batch is HPLC-tested to ≥99% purity. Certificates of Analysis are available on request for all orders.
How should GHRP-6 be stored? Store at -20°C for long-term use or at 4°C for short-term use within 4–6 weeks. Keep away from light and moisture and store in a sealed vial until reconstitution.
Do you offer bulk pricing on GHRP-6? Yes. Bulk discounts are available for research institutions and laboratories. Contact us directly for volume pricing details.
For research and laboratory use only. Not intended for human or veterinary consumption. Not for use in the diagnosis, treatment, cure, or prevention of any disease.
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