Research Compound
GHRP-6
GHRP-6 is a synthetic hexapeptide classified as a growth hormone secretagogue and ghrelin receptor agonist, available as a lyophilized powder for laboratory research.
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10mg
SKU: G610
Batch: 202601-01-G6
$32.99
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Est. Arrival: 09/18/2026
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For Research Use Only. This product is intended for laboratory and scientific research purposes only. It is not a drug or dietary supplement and is not for human or veterinary consumption. Not intended to diagnose, treat, cure, or prevent any disease.
99%+ Purity
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Product Details
GHRP-6 is a synthetic hexapeptide: His-D-Trp-Ala-Trp-D-Phe-Lys-NH2. Classified as ghrelin/GHS receptor (GHS-R1a) agonist.
Contains two D-amino acids (D-Trp at position 2, D-Phe at position 5) for metabolic stability. Two tryptophan residues (positions 2 and 4) give characteristic UV absorbance. C-terminus amidated. One of earlier GHRP family members. Soluble in sterile water. Store at -20°C.
Disclaimer: For laboratory and research purposes only. Not intended for human consumption.
Frequently Asked Questions About GHRP-6
Answers summarize published research and are provided for laboratory research purposes only.
GHRP-6 is a synthetic hexapeptide with the sequence His-D-Trp-Ala-Trp-D-Phe-Lys-NH2. It is classified as a growth hormone secretagogue and an agonist of the ghrelin receptor, GHS-R1a, and is one of the earliest members of the GHRP family. Research studies have examined GHRP-6 for growth hormone release and appetite signaling in animal models and clinical studies. Biotech Compounds supplies it as a lyophilized powder.
Published research reports that GHRP-6 activates the GHS-R1a receptor in the pituitary and hypothalamus, the same receptor used by the natural hormone ghrelin. In animal models and cell studies, researchers have observed that this activation triggers release of growth hormone from pituitary cells. GHRP-6 was in fact a key tool in the research that led to the discovery of the ghrelin receptor itself.
The primary research area for GHRP-6 is growth hormone secretion. In rodent studies and human clinical studies, researchers have reported that GHRP-6 stimulates a pulse of growth hormone release, and that the response is additive with growth hormone releasing hormone. GHRP-6 is used in laboratories as a reference ghrelin receptor agonist when studying the secretagogue pathway.
A well-known secondary research area for GHRP-6 is appetite. In animal models, researchers have reported that GHRP-6 produces a marked increase in food intake consistent with ghrelin receptor activation. Research studies have also examined GHRP-6 in models of heart tissue protection and in gastric motility, where ghrelin receptor signaling has been observed to influence stomach emptying.
GHRP-6 has been studied in vitro, in animal models, and in human clinical studies, largely as a tool for probing growth hormone secretion. It is not an approved drug in any region. In the research market GHRP-6 serves as a well-characterized early growth hormone secretagogue. Biotech Compounds supplies GHRP-6 strictly for laboratory research into these reported observations.
GHRP-6 and GHRP-2 are both synthetic hexapeptide ghrelin receptor agonists. GHRP-6 is the earlier compound and contains D-Trp at position 2, while GHRP-2 replaces that residue with D-2-naphthylalanine. Research studies have reported that GHRP-2 produces a stronger growth hormone response, while GHRP-6 has been observed to cause a more pronounced increase in food intake in animal models. Both are lyophilized research peptides.
GHRP-6 and Ipamorelin are both growth hormone secretagogues that act on the ghrelin receptor. Research studies have reported that Ipamorelin releases growth hormone with little effect on cortisol, prolactin, or appetite, while GHRP-6 has been observed to increase food intake and to produce a modest rise in cortisol and prolactin in animal models. Both are available from Biotech Compounds as lyophilized research peptides.
GHRP-6 is supplied as a lyophilized powder that is soluble in sterile water, and Bacteriostatic Water may also be used. Allow the vial to reach room temperature, then add the liquid slowly against the inner wall of the vial. Swirl gently until the solution is clear and never shake. As a short hexapeptide, GHRP-6 dissolves readily and normally forms a clear solution quickly.
Store lyophilized GHRP-6 at -20 C, protected from light and moisture. After reconstitution, keep the solution refrigerated at 2 to 8 C, protect it from light, and avoid repeated freeze thaw cycles. GHRP-6 contains two tryptophan residues, and tryptophan is sensitive to light and oxidation, so protecting the reconstituted solution from light is especially relevant for this peptide.
Yes. GHRP-6 from Biotech Compounds is supplied at 99 percent or greater purity. Each lot is third-party tested for identity and purity, and the Certificate of Analysis is available on the product page. The two tryptophan residues in GHRP-6 give it a characteristic UV absorbance, which analytical laboratories use when confirming identity by HPLC.
GHRP-6 has a molecular weight of approximately 872.4 Da and the molecular formula C46H56N12O6. It is a six-residue peptide with an amidated C-terminus. Two of the residues are D-amino acids, D-Trp at position 2 and D-Phe at position 5, which were included for metabolic stability. Tryptophan occupies positions 2 and 4 of the GHRP-6 sequence.
No. GHRP-6 is sold by Biotech Compounds strictly as a research material for laboratory research by qualified researchers and research organizations. Purchasers must be 21 or older. GHRP-6 is not a drug or dietary supplement, has not been approved by any regulatory agency, and is not for human or animal consumption.
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