Preptide™ Kisspeptin-10mg Reusable Injection Pen Pack
The Preptide Philosophy
The Preptide Philosophy: Why Our Science Stands Alone
Choosing Preptide means aligning with a standard of laboratory excellence that refuses to compromise. We believe that the foundation of groundbreaking research lies in the uncompromising purity of the medium. While the industry often settles for "good enough," Preptide is built on the belief that scientific discovery requires absolute precision. Our mission is to bridge the gap between high-end clinical manufacturing and the independent research community by providing compounds that are as stable as they are potent.
At the heart of our operation is a laboratory infrastructure that is second to none. We utilize advanced Solid-Phase Peptide Synthesis (SPPS) alongside high-resolution Mass Spectrometry and HPLC analysis to guarantee a minimum purity of 99% across our entire catalog. Unlike generic manufacturers, we employ a Neutral pH (7.0) Calibration for all our compounds and diluents. This prevents the common issue of "peptide fracturing" caused by acidic environments, ensuring that the molecular integrity of complex chains like Retatrutide and GHK-Cu remains intact from the moment of synthesis to the final application.
Our beliefs are rooted in transparency and the advancement of metabolic and dermal science. We believe that every researcher deserves access to pharmaceutical-grade stabilizers and specialized delivery systems, such as our advanced liposomal technology, which ensures optimal bioavailability. At Preptide, we don't just supply peptides; we provide the clinical-grade certainty required to push the boundaries of what is possible in health and wellness research. We are not just a supplier; we are the pinnacle of peptide science, dedicated to preparing you for every step of your research journey.
Production of Excellence
The Preptide Synthesis: Our Production Excellence
The production of Preptide compounds is a process of extreme precision, conducted within our state-of-the-art laboratory environments. We utilize Solid-Phase Peptide Synthesis (SPPS), a sophisticated method that allows us to build peptide chains one amino acid at a time with total control over the molecular sequence. This level of oversight ensures that complex triple-agonists and signaling peptides are synthesized without the structural errors common in mass-market manufacturing. By maintaining a sterile, climate-controlled facility, we eliminate environmental contaminants that could compromise the integrity of the research material.
Following synthesis, every batch undergoes a rigorous purification and stabilization phase. We utilize high-performance liquid chromatography (HPLC) to isolate the target peptide, followed by high-resolution Mass Spectrometry to verify its molecular weight and sequence. Our hallmark innovation is the Neutral pH (7.0) Calibration. Most laboratories ignore the pH of the final lyophilized product, but Preptide ensures that our peptides are chemically balanced to prevent "acid-shock" or fracturing upon reconstitution. This unique step preserves the delicate bonds within the peptide, guaranteeing that the product remains biologically active and stable for the duration of your research.
The final stage of our production is the advanced Lyophilization (Freeze-Drying) Process. We use pharmaceutical-grade sublimation techniques to remove moisture at ultra-low temperatures, transforming the liquid peptide into a highly stable, "Glow" powder. This powder is then vacuum-sealed in UV-protective glass vials to prevent degradation from light or oxygen. This comprehensive production cycle—from the first amino acid bond to the final vacuum seal—ensures that Preptide remains the industry benchmark for purity, potency, and scientific reliability.
Legal & Medical Disclaimer
Legal & Medical Disclaimer
Preptide provides laboratory reagents strictly for professional research and academic purposes only. By accessing our site or using our products, you acknowledge and agree to the following:
Research Use Only
All products sold by Preptide, including peptides and chemical compounds, are not for human consumption. They are not intended to be used as food additives, drugs, cosmetics, or medical devices. These substances are strictly for in vitro laboratory research and are not for diagnostic or therapeutic use in humans or animals.
No Medical Recommendations
The information provided by Preptide—including research protocols, product descriptions, and scientific data—is for informational and educational purposes only. Preptide does not provide medical advice, diagnosis, or treatment recommendations. No information on this site should be construed as an endorsement or recommendation for the personal use of these substances.
Not FDA Approved
The products listed on this website have not been evaluated or approved by the U.S. Food and Drug Administration (FDA) or any other global health authority for human use. The safety and efficacy of these compounds for human consumption have not been established.
Assumption of Risk
The purchaser assumes all responsibility for the handling, storage, and laboratory application of these products. These chemicals are to be handled only by qualified and trained professionals. Preptide is not liable for any damages, health complications, or legal issues arising from the misuse, accidental ingestion, or unauthorized application of our research compounds.
Compliance
It is the responsibility of the purchaser to ensure that their use of these products complies with all local, state, and federal laws and regulations.
- Product description
- Shipping & Return
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Preptide™ Pro-Series Reusable Pen (Onyx Black)
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Two Kisspeptin-10 10mg Cartridges (99% Purity, Lyophilized)
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Two 10ml Bacteriostatic Water (For reconstitution)
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Twenty Ultra-Fine 32G Pen Needles
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Hardshell Travel Case
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Instructional Guide & Dosage Tracker
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Column: $C_{18}$ Reverse Phase ($4.6mm \times 250mm$)
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Mobile Phase A: 0.1% Trifluoroacetic acid in 100% Water
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Mobile Phase B: 0.1% Trifluoroacetic acid in 100% Acetonitrile
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Detection Wavelength: 220 nm
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Flow Rate: 1.0 mL/min
Preptide™ Kisspeptin-10 Reusable Injection Pen Kit
The "Master Switch" for Natural Hormonal Optimization
Elevate your research and wellness protocol with the Preptide™ Kisspeptin-10 system. Designed for those who demand precision, our medical-grade reusable pen offers a seamless, painless, and highly accurate way to administer one of the most potent signalling peptides in modern endocrinology.
Product Overview
Kisspeptin-10 is the bioactive "gatekeeper" of the human reproductive system. By signalling the hypothalamus to release GnRH, it triggers your body’s own natural production of LH, FSH, and testosterone. Whether used for fertility support, libido enhancement, or as a sophisticated alternative to HCG in TRT protocols, Preptide™ ensures you are using the gold standard.
In 2026, injectable kisspeptin has transitioned from a purely theoretical research topic to a sophisticated clinical tool. For fertility, it is primarily used as a subcutaneous injection to trigger egg maturation or to restart the hormonal system. There are two main isoforms of the peptide frequently discussed: Kisspeptin-10 and Kisspeptin-54.
Kisspeptin- (The Standard for Fertility)
This is the most biologically active form used in clinical settings. It has a longer half-life of approximately 28 minutes compared to its shorter counterparts, making it more effective for inducing a sustained hormonal surge. In its primary use as an IVF trigger shot, it matures eggs roughly 36 hours before retrieval. The standard protocol involves a weight-adjusted dose, often $9.6\text{ nmol/kg}$, injected subcutaneously. Recent 2026 clinical standards often favor a two-dose protocol administered 10 hours apart. This more closely mimics the natural 24-hour LH surge of a healthy menstrual cycle, leading to higher egg yields and better implantation rates compared to a single shot.
Kisspeptin-10 (The Fast-Acting Peptide)
While cheaper and easier to synthesize, Kisspeptin-10 has an extremely short half-life of approximately 4 minutes. Its current role is more common in diagnostic settings to test if the pituitary gland is functioning or within specific peptide therapy circles. Because it clears the body so fast, it often fails to stimulate a sufficient LH surge in women during the early follicular phase, though it is more effective in men for boosting testosterone.
Benefits of Injectable Kisspeptin
The move toward injectable kisspeptin is driven by its safety profile compared to traditional trigger drugs like HCG. It offers a negligible risk of Ovarian Hyperstimulation Syndrome (OHSS), which can be life-threatening with standard triggers. Kisspeptin has shown a 0% rate of severe OHSS in clinical trials because the body can still modulate the hormonal response. It facilitates a natural LH surge by forcing the brain to release its own stored Luteinizing Hormone rather than introducing a massive amount of synthetic hormone. For women with Hypothalamic Amenorrhea, a protocol of twice-weekly injections over 8 weeks has been shown to successfully restart the natural cycle without the desensitization seen with daily use.
Comparison Table: Kisspeptin vs. Traditional Triggers
| Feature | Kisspeptin-54 Injection | Traditional hCG (Ovidrel) |
| Mechanism | Signals brain to release its own LH | Mimics LH directly at the ovary |
| OHSS Risk | Negligible / None | Significant (in high responders) |
| Egg Maturation | 75% – 85% rate | 75% – 85% rate |
| Administration | Subcutaneous (often 1-2 shots) | Subcutaneous (usually 1 shot) |
| Availability | Specialist Clinics / Trials | Universal Standard |
Key Features
99%+ Pharmaceutical Purity Every batch is HPLC-tested and vacuum-sealed to ensure 99% purity. No fillers, no cross-contaminants—just pure bio-active peptide.
Precision Dosing The Preptide™ reusable pen features an audible click-dial system and visual markers, allowing for micro-dosing accuracy down to 1-unit increments.
Eco-Friendly & Durable Crafted from anodized aircraft-grade aluminium, this pen is built to last for years. Simply replace the 3ml cartridges when finished.
Superior Comfort Engineered for low-force delivery. When used with our ultra-fine 31G/32G needles, the injection is virtually sensationless.
Travel-Ready Includes a discreet, hard-shell carrying case with internal slots for the pen, two cartridges, and sterile wipes.
Health & Performance Benefits
Natural Testosterone Support Stimulates endogenous production without the "shutdown" or testicular atrophy associated with external hormone use.
Neuro-Psychological Libido Boost Clinically shown to activate brain pathways associated with sexual attraction and romantic mood.
Fertility Management Supports healthy sperm count in men and regulates ovulatory cycles in women.
Cognitive & Mood Clarity Helps mitigate the "brain fog" and irritability often linked to HPG axis imbalances.
What’s In The Box?
Specifications
Peptide: Kisspeptin-10 (KP-10) Sequence: Tyr-Asn-Trp-Asn-Ser-Phe-Gly-Leu-Arg-Phe-NH2 Purity: ≥99% (HPLC Verified) Cartridge Volume: 3ml (Standard Universal Fit) Storage: Stable at room temperature for 60 days; refrigerated (2-8°C) for up to 2 years.
Safety Warning: This product is intended for laboratory research or under the direct supervision of a healthcare professional. Always consult with a doctor before beginning any peptide-based protocol.
CERTIFICATE OF ANALYSIS
Preptide™ Quality Assurance Laboratory
| General Information | Batch Specifics | ||
| Product Name: | Kisspeptin-10 (Human) | Batch Number: | PRPT-K10-2026-02 |
| Chemical Name: | Metastin (45-54) | Manufacturing Date: | Feb 02, 2026 |
| CAS Number: | 374675-21-5 | Expiration Date: | Feb 02, 2028 |
| Molecular Formula: | $C_{63}H_{83}N_{17}O_{14}$ | Storage: | Store at -20°C |
1. Physical & Chemical Properties
| Test Item | Specification | Results |
| Appearance | White to off-white lyophilized powder | Conforms |
| Identity (MS) | Mass spectrum matches theoretical | Conforms |
| Molecular Weight | $1302.44 \pm 1$ Da | $1302.41$ Da |
| Solubility | Clear solution (1mg/mL in $H_{2}O$) | Conforms |
2. Analytical Quality Control
| Test Item | Specification | Results |
| Purity (HPLC) | $\ge 99.0\%$ | 99.42% |
| Peptide Content | $\ge 80.0\%$ | 84.6% |
| Moisture Content | $\le 5.0\%$ | 3.2% |
| Bacterial Endotoxins | $\le 5$ EU/mg | < 0.5 EU/mg |
3. HPLC Analysis Summary
Analyst Note: The chromatogram displays a single, sharp symmetrical peak at a retention time of 14.28 minutes. Minimal baseline noise and the absence of significant secondary peaks confirm a purity level exceeding 99%.
4. Final Conclusion
This batch of Kisspeptin-10 has been synthesized and purified under strict laboratory protocols. The analytical data confirms that the product meets or exceeds the required specification of 99% purity and is suitable for high-precision research applications.
Approved By: Head of Quality Control, Preptide™
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FAQs
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What is Bacteriostatic Water?
It is highly purified, sterile-filtered water containing 0.9% Benzyl Alcohol, which acts as an antimicrobial preservative. This allow for multiple vial entries over an extended research period
How does Preptide's version differ from standard sterile water?
Standard sterile water is for single-use and contains no preservative. Preptide’s formulation is specifically calibrated to a Neutral pH of 7.0 to match the stability requirements of advanced peptides.
Why is "Neutral pH" so important?
Many generic diluents are slightly acidic, which can lead to "peptide fracturing"—the breaking of delicate amino acid chains. A neutral pH ensures the molecular structure of compounds like Retatrutide remains intact.
Can I shake the vial to mix the peptide faster?
No. You should never shake the vial, as mechanical stress can degrade the peptide. Instead, gently swirl the vial until the solution is crystal clear.
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What is the "Side-Wall" technique?
When reconstituting, aim the needle at the inside glass wall of the peptide vial. This allows the water to slide down gently, preventing foaming and protecting the peptide bonds
How long does the water stay sterile once opened?
Once the seal is broken, the 0.9% Benzyl Alcohol maintains sterility for up to 28 days if handled with proper aseptic technique.
What happens if the solution becomes cloudy?
.A cloudy solution usually indicates that the peptide has degraded or been contaminated. In a proper neutral pH environment, the solution should remain crystal clear.
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