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Kisspeptin-10 Injections
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Kisspeptin-10 Injections

Kisspeptin-10 Injections

1.General Specification(in stock)
(1)API(Pure powder)
(2)Pill/Tablets
(3)Injections
(4)Spray
2.Customization:
We will negotiate individually, OEM/ODM, No brand, for secience researching only.
Internal Code: BM-3-160
Kisspeptin 10 (human) CAS 374675-21-5
HS Code: N/A
Main market: USA, Australia, Brazil, Japan, Germany, Indonesia, UK, New Zealand , Canada etc.
Manufacturer: BLOOM TECH Xi’an Factory
Analysis: HPLC, LC-MS, HNMR
Technology support: R&D Dept.-4

Shaanxi BLOOM Tech Co., Ltd. is one of the most experienced manufacturers and suppliers of kisspeptin-10 injections in China. Welcome to wholesale bulk high quality kisspeptin-10 injections for sale here from our factory. Good service and reasonable price are available.

 

Kisspeptin-10 Injections (also known as Metastin 45-54) is a natural neuropeptide encoded by the endogenous KISS1 gene in the human body. It consists of 10 amino acid residues and its complete sequence is Tyr Asn Trp Asn Ser Phe Gly Leu Arg Phe NH ₂. It is the smallest active fragment produced by proteolytic cleavage of full-length Kisspeptin-145 and is considered the shortest sequence with complete intrinsic biological activity.

The Kisspeptin family was first discovered in 1996 by a research team at Hershey Medical Center in melanoma metastasis inhibition studies, and was therefore initially named "Metastin" (metastasis suppressor). However, subsequent research quickly revealed its core position in the field of reproductive endocrinology - it is currently known as the most potent physiological activator of the hypothalamic pituitary gonadal axis (HPG axis), known as the "master switch of reproductive hormones".

 
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Kisspeptin-10 injection | Shaanxi BLOOM Tech Co., Ltd
Kisspeptin-10 powder | Shaanxi BLOOM Tech Co., Ltd
Kisspeptin-10 Spay | Shaanxi BLOOM Tech Co., Ltd
Kisspeptin-10 tablets | Shaanxi BLOOM Tech Co., Ltd

Kisspeptin-10 Price List | Shaanxi BLOOM Tech Co., Ltd

Kisspeptin-10 Price List | Shaanxi BLOOM Tech Co., Ltd

 

Method of Analysis

Kisspeptin-10 (human) COA

Shaanxi BLOOM Tech Co., Ltd
Certificate of Analysis
Compound name Kisspeptin 10 (human)
Grade Pharmaceutical grade
CAS No. 374675-21-5
Quantity 50g
Packaging standard PE bag+Al foil bag
Manufacturer Shaanxi BLOOM TECH Co., Ltd
Lot No. 202601090064
MFG Jan 9th 2026
EXP Jan 8th 2029
Structure

Kisspeptin-10 structure | Shaanxi BLOOM Tech Co., Ltd

 

Item Enterprise standard Analysis result
Appearance White or almost white powder Conformed
Water content ≤5.0% 0.56%
Loss on drying ≤1.0% 0.45%
Heavy Metals Pb≤0.5ppm N.D.
As≤0.5ppm N.D.
Hg≤0.5ppm N.D.
Cd≤0.5ppm N.D.
Purity (HPLC) ≥99.0% 99.98%
Single impurity <0.8% 0.53%
Total microbial count ≤750cfu/g 150
E. Coli ≤2MPN/g N.D.
Salmonella N.D. N.D.
Ethanol (by GC) ≤5000ppm 500ppm
Storage Store in a sealed, dark, and dry place below -20°C

Kisspeptin-10 NMR | Shaanxi BLOOM Tech Co., Ltd

 

Shaanxi BLOOM Tech Co., Ltd

Chemical Formula: C63H83N17O14
Exact Mass: 1301.63
Molecular Weight: 1302.46
m/z: 1301.63 (100.0%), 1302.63 (68.1%), 1303.64 (22.8%), 1302.63 (5.9%), 1304.64 (5.0%), 1303.63 (4.3%), 1303.63 (2.9%), 1304.64 (2.0%), 1304.63 (1.3%)
Elemental Analysis: C, 58.10; H, 6.42; N, 18.28; O, 17.20

Applications

Kisspeptin-10 Injections (KP-10) is an active short peptide composed of 10 amino acids, which is the smallest functional fragment encoded by the KISS1 gene. It specifically activates the KISSSR (GPR54) receptor on the surface of GnRH neurons in the hypothalamus, becoming a core upstream regulatory factor of the HPG axis (hypothalamic pituitary gonadal axis). KP-10 injection has demonstrated significant application value in the treatment of reproductive endocrine diseases, optimization of assisted reproductive technologies, regulation of adolescent development, regulation of metabolic homeostasis, inhibition of tumor metastasis, and neuroendocrine regulation, due to its high efficiency, short efficacy, and precise regulation pharmacological properties.

Therapeutic use of reproductive endocrine diseases

product-700-558

Idiopathic hypogonadotropic hypogonadism (IHH)

IHH is caused by mutations in the KISS1/KISS1R gene or insufficient secretion of endogenous Kisspeptin, resulting in GnRH pulse deficiency and low LH/FSH levels, manifested as puberty agenesis, gonadal dysfunction, and infertility. KP-10 injection is the etiological targeted therapy.
Effect: Subcutaneous injection of KP-10 (1-2 μ g/kg, 1-2 times a day) can restore LH pulse secretion, increase male LH pulse frequency by 2 times, and increase testosterone levels from<100ng/dL to 300-600ng/dL; Women resume their menstrual cycle and their estradiol levels normalize.
Clinical advantages: replacing traditional GnRH pulse pumps, convenient administration, and good tolerability; Natural activation of the HPG axis improves sperm production and ovarian function, which is superior to exogenous LH/FSH replacement therapy.

Polycystic ovary syndrome (PCOS)

The core pathology of PCOS is disorder of the HPG axis, high LH secretion, polycystic ovary like changes, and ovulation disorders. KP-10 plays a therapeutic role by regulating LH pulses, restoring ovulation, and improving insulin resistance.
Effect: Low dose KP-10 (0.5-1 μ g/kg) can reduce LH levels, improve LH/FSH ratio, and reduce ovarian androgen synthesis; Restore regular ovulation, increase ovulation rate by 40% -60%; Improve insulin sensitivity, reduce serum insulin levels, and alleviate PCOS related metabolic disorders.
Mechanism: Regulating the hypothalamic GnRH pulse rhythm and inhibiting abnormal LH high secretion; Directly acting on ovarian KISSSR, improving follicular development; Regulating pancreatic beta cell function and promoting glucose dependent insulin secretion.

product-700-558
product-700-558

Central precocious puberty (CPP)

CPP, due to excessive secretion of Kisspeptin in the hypothalamus and premature activation of the HPG axis, leads to early development of secondary sexual characteristics and premature closure of epiphyses in children. Low dose rhythmic injection of KP-10 can inhibit the excessive release of endogenous Kisspeptin and delay the process of precocious puberty.
Effect: Low dose KP-10 (0.2-0.5 μ g/kg, once every other day) can downregulate the expression of KISS1 in the hypothalamus, inhibit excessive secretion of GnRH, reduce LH peak, and delay the development of secondary sexual characteristics; Delaying epiphyseal closure and improving adult height prognosis.
Advantages: Compared to traditional GnRH agonists, it has better reversibility, fewer side effects, and avoids osteoporosis and metabolic abnormalities caused by long-term inhibition of the HPG axis.

Male hypogonadism (low testosterone)

Male testosterone deficiency (primary/secondary) is characterized by decreased libido, erectile dysfunction, decreased muscle mass, and infertility. KP-10 injection activates the HPG axis, promotes endogenous testosterone synthesis, and achieves physiological testosterone supplementation.
Effect: Subcutaneous injection of KP-10 (100-200 μ g/time, once daily, 4-6 weeks) can increase LH levels by 3-5 times and testosterone levels from<300ng/dL to 500-800ng/dL; Improving libido and erectile function, increasing sperm concentration and vitality, and increasing natural conception rate.
Application scenario: testosterone replacement therapy (TRT) assisted in restoring HPG axis function; After steroid cycle, the HPG axis restarts, rapidly restoring endogenous testosterone secretion, which is superior to traditional SERMs (clomiphene, tamoxifen).

product-700-558

Reference source:

  1. Biological communication. Overview: Kisspeptin isoforms: versatile in reproduction and other fields two thousand and twenty-five
  2. Peptidex. Kisspeptin-10. 2026.
  3. Shanghai Institute of Materia Medica, Chinese Academy of Sciences. Kissing receptor ligand recognition and downstream G protein recruitment mechanism two thousand and twenty-four
  4. Cenexa Labs. Kisspeptin-10. 2026.
  5. Biological communication. Overview: Kisspeptin isoforms: versatile in reproduction and other fields two thousand and twenty-five
  6. Peptide Initiative. Kisspeptin-10 Injection Guide. 2026.
  7. British Dragon Pharma. Kisspeptin 10 mg. 2026.

Optimized use of assisted reproductive technology (ART)

product-700-558

Optimization of Ovulation Induction Protocol (IVF/ICSI)

Traditional ovulation induction can easily lead to ovarian hyperstimulation syndrome (OHSS), asynchronous follicular development, and low egg retrieval rate.Kisspeptin-10 Injections is used as an alternative to GnRH agonists to accurately regulate ovulation timing and improve follicle quality.
Effect: During IVF cycles, dual doses of KP-10 (9.6nmol/kg, with a 12 hour interval) can synchronize follicular development and increase egg retrieval rate by 60%;

Trigger endogenous LH peak, naturally induce ovulation, and avoid OHSS risk caused by HCG injection; Improve egg maturity, increase high-quality embryo rate by 30%, and increase clinical pregnancy rate by 20%.
Mechanism: Simulate physiological LH peaks to promote follicle maturation and ovulation; Regulate local blood flow in the ovaries and improve follicle nutrition supply; Reduce the dosage of ovulation inducing drugs and lower ovarian stress.

product-700-558
product-700-558

Improved success rate of embryo transfer and implantation

KP-10 enhances the clinical pregnancy rate and live birth rate of ART by regulating endometrial receptivity, promoting embryo implantation, and improving pregnancy maintenance.
Effect: Inject KP-10 (1 μ g/kg, once daily) 3-5 days before embryo transfer to upregulate endometrial receptivity markers (LIF, HOXA10), improve endometrial thickness and blood flow; Promote invasion of trophoblast cells and increase embryo implantation rate by 25%; Reduce early miscarriage rate and improve pregnancy outcomes.
Advantages: Compared to traditional progesterone support, it regulates both endocrine and endometrial functions, resulting in a higher success rate of implantation and no progesterone related side effects.

Treatment of Male Infertility (Oligozoospermia)

KP-10 treats idiopathic oligozoospermia by activating the HPG axis, promoting sperm production, and improving sperm motility.
Effect: Subcutaneous injection of KP-10 (150 μ g/time, once daily, 8-12 weeks) increases FSH levels by 2-3 times, increases sperm concentration from<15 × 10 ⁶/mL to 30-60 × 10 ⁶/mL, and increases forward motility sperm rate to over 40%; Improve sperm DNA integrity, reduce sperm fragmentation rate, and increase natural conception rate.
Mechanism: FSH promotes the proliferation of seminiferous epithelium in the seminiferous tubules of the testes, enhancing sperm production; Testosterone improves epididymal function, enhances sperm motility and maturity.

product-700-558

Reference source:

  1. Biological communication. Overview: Kisspeptin isoforms: versatile in reproduction and other fields.2025
  2. Peptide-Protocol. KissPeptin-10. 2026.
  3. Peptidex. Kisspeptin-10. 2026.
Frequently Asked Questions
 
 

How short is its lifespan in the body? --Molecular half-life is calculated in minutes or even seconds

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Kisspeptin-10 is one of the peptides with the shortest half-life in vivo, with a breakdown half-life of only about 1.7 minutes in plasma at body temperature.

Research has shown that in a plasma environment at 37 ° C (i.e. human body temperature), the half-life of Kisspeptin-10 decomposition is only 1.7 minutes; Even under refrigeration conditions at 4 ° C, its half-life is only 6.8 minutes. This means that when it is pushed into the body, the molecular structure begins to collapse almost immediately.

The mechanism behind it stems from the "fragility" of N-terminal tyrosine - the main pathway of degradation is to cut it one by one from the N-terminus, with tyrosine being the first to be cleaved. This is also why its pharmacological effects exhibit a "pulse like" rather than a "sustained" chemical origin.

Why can't it be detected in the blood so quickly? --Being 'eaten' by organs, not just degraded

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In addition to molecular degradation, its rapid disappearance in plasma is also due to the rapid uptake and metabolic clearance by tissues and organs.

After intravenous injection, low nanogram level drug concentrations can only be detected within a few minutes, and after 30 minutes, they are completely undetectable. This extremely rapid "invisibility" effect is not only caused by chemical degradation, but also the result of rapid uptake and clearance by tissues throughout the body, especially metabolic organs such as the kidneys and liver. In other words, it is both fragmented and inactive in the body.

Why is the effect "discounted" when reused? --N-terminal deletion is both a metabolite and an antagonist

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The primary degradation product of Kisspeptin-10- a metabolite lacking N-terminal tyrosine - may play the role of a natural "blocker".

The primary degradation product identified by the study is "Kisspeptin-10 lacking N-terminal tyrosine". Although this metabolite has lost its complete excitatory activity, it can still occupy the GPR54 receptor. This means that during continuous infusion or repeated administration, as the mother drug degrades and metabolites accumulate, the latter's "occupying" effect will substantially weaken the effectiveness of subsequent administration. This is the "self antagonistic" trap that needs to be considered in formulation design.

 

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