Kisspeptin - 5mg Vial
Lot #2026-03-001-S
Verified Purity
Kisspeptin is a targeted research peptide formulated for laboratory investigation of the hypothalamic-pituitary-gonadal (HPG) axis. Research studies have explored Kisspeptin in relation to reproductive signaling pathways, fertility-related research models, hormone regulation, and neuroendocrine mechanisms associated with reproductive function and sexual behavior. It is intended for in-vitro study of cellular receptor interaction models and endocrine pathway activity.


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Kisspeptin is a targeted research peptide formulated for laboratory investigation of the hypothalamic-pituitary-gonadal (HPG) axis. Research studies have explored Kisspeptin in relation to reproductive signaling pathways, fertility-related research models, hormone regulation, and neuroendocrine mechanisms associated with reproductive function and sexual behavior. It is intended for in-vitro study of cellular receptor interaction models and endocrine pathway activity.



🚚 Get 2 day shipping when you spend $250 or More
🚚 Free shipping over $200
🔄 60-day money back
🔒 SSL Secure
📦 Discreet packaging

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Each production lot is independently verified using HPLC and mass spectrometry to confirm
identity, purity, and structural consistency
Lot #2026-03-001-S
Verified Purity
Third-Party Independent Verification — All GMR Peptides products are tested by accredited external laboratories using HPLC and Mass Spectrometry. We never self-certify. Results are published on every product page with no exceptions.
GHK-Cu is a naturally occurring copper-binding tripeptide studied in laboratory environments for its interaction with extracellular matrix signaling pathways, copper transport activity, and peptide-mediated gene expression models.
Extracellular Matrix Signaling
Evaluated in laboratory environments for interactions with signaling pathways and peptide-mediated gene expression models.
Peptide Signaling Context
Frequently evaluated in experimental models designed to examine cellular communication and structural protein regulation mechanisms.
Cellular Mineral Transport
The copper-binding component delivers bioavailable copper to research systems, activating internal enzymatic antioxidant models.
No other studied peptide approaches GHK-Cu’s ability to modulate the human genome. Research demonstrates influence over 31.2% of all human genes — affecting pathways from DNA repair and antioxidant defense to stem cell activation and anti-inflammatory response.
Genes Upregulated
Genes Downregulated
Within copper-binding peptide research, GHK-Cu is frequently evaluated alongside related
signaling peptides to investigate structural stability, copper coordination behavior, and extracellular
matrix interaction patterns under controlled experimental conditions
Controlled studies report measurable improvements in hair follicle size, growth rate, and active growth phase duration.
Multiple repair mechanisms activate simultaneously — making GHK-Cu one of the more comprehensively studied wound-healing compounds.
GHK-Cu functions as a cellular reprogrammer — shifting gene expression away from destructive aging patterns toward regenerative activity.
Activates the body's internal antioxidant machinery — particularly the SOD enzyme system responsible for neutralizing free radicals.
Researchers commonly examine GHK-Cu in controlled experimental systems involving peptide
signaling pathways, copper ion transport behavior, extracellular matrix organization models, and
gene expression regulation frameworks.
Laboratory models evaluate GHK-Cu in experimental systems involving cellular communication mechanisms.
Analysis of peptide-mediated gene expression regulation frameworks[cite: 22, 27].
This material is supplied exclusively for laboratory research use. Handling should be performed by
qualified professionals using appropriate experimental procedures and analytical documentation
review prior to use.
Strict Compliance Notice: All products are supplied strictly for laboratory research use only. They are not approved for human or veterinary use and are not intended for diagnostic or therapeutic applications. Handling should be performed by qualified professionals using appropriate experimental procedures.
Full molecular and technical reference data for GHK-Cu.
This material is supplied exclusively for laboratory research use by qualified professionals.
Analytical consistency for 24 months
Maintain structural integrity for 30 days
Complete observation within 24 hours
Kisspeptin is a research-grade formulation of Kisspeptin-5, a potent decapeptide derived from the KISS1 gene. It is the shortest biologically active fragment of the full-length kisspeptin protein and acts as the primary upstream regulator of the reproductive axis, often referred to in studies as the "master switch" for fertility.
Kisspeptin-5 acts as a high-affinity ligand for the GPR54 receptor (Kiss1R). In laboratory models, its activation of GPR54 in the hypothalamus stimulates the pulsatile release of Gonadotropin-Releasing Hormone (GnRH), which subsequently triggers the release of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH)—hormones essential for reproduction.
Unlike direct hormone replacement, Kisspeptin is studied for its "gatekeeper" role at the top of the Hypothalamic-Pituitary-Gonadal (HPG) axis. Research indicates it can restore or modulate endogenous hormonal signaling pathways naturally rather than simply overriding them.
Kisspeptin-5 has been extensively studied for its profound impact on fertility and reproductive health. Clinical research has also investigated its potential to enhance sexual desire and arousal by influencing the limbic system—the part of the brain responsible for emotional and sexual processing.
Lyophilized (powder) vials should be stored at -20°C for long-term stability of up to 3 years. Once reconstituted with bacteriostatic water, the solution should be stored at 2–8°C (refrigerated) and used within 7 days to maintain peptide integrity.
No. Kisspeptin is an investigational peptide supplied strictly for laboratory research and preclinical applications. It is not FDA-approved for human consumption, and it is not intended for the diagnosis, treatment, or cure of any disease.
Outstanding quality and fast, discreet shipping. Everything arrived exactly as described and the results in my research have been consistent. Will be ordering again.
Third-party testing gives me real peace of mind. Packaging was professional and the product purity is excellent. GMR has become my go-to supplier.
Great product and great value with the bundle offer. Delivery took a couple of days longer than expected, but the quality more than made up for it.
Customer support was responsive and helpful when I had a question about my order. The product itself is top tier. Highly recommended for serious research.
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All clinical data and research findings cited on this page are sourced from peer-
reviewed journals and official publications.
This product is sold exclusively for in vitro research and educational purposes. It is not intended for human or veterinary use, and is not intended to diagnose, treat, cure, or prevent any medical condition or disease. All clinical trial data, research findings, and scientific information presented on this page are sourced from peer-reviewed academic publications. This content is provided for educational reference only and does not constitute medical advice, product claims, or treatment recommendations. By purchasing this product, the buyer confirms they are a qualified researcher and will use it strictly in accordance with all applicable federal, state, and local laws and regulations. GMR Peptides assumes no liability for any misuse of this product outside of a research context.
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