Sexual
Kisspeptin
Hormonal
9
Amino acids
Molecular weight
Peptide
Type
Kisspeptin acts as a master regulator of the reproductive system, stimulating GnRH neurons essential for puberty, fertility, and reproductive function.
Top researched benefits
Overview of Kisspeptin
Binds to GPR54/KISS1R receptors on hypothalamic GnRH neurons, triggering pulsatile GnRH release, which stimulates pituitary LH/FSH secretion and gonadal steroid production.
Reproductive
- Restores reproductive hormone secretion in functional or congenital cases by stimulating dormant GnRH axis.
- Triggers oocyte maturation with 45% live birth rate and zero severe OHSS cases; safer than hCG.
- Restores reproductive hormone pulsatility in women with hypothalamic amenorrhea.
Sexual Function
- Modulates sexual brain processing; increases penile tumescence by 56% vs placebo.
- Modulates sexual and attraction brain processing; increases self-reported sexiness.
Metabolic
- Preclinical evidence suggests influence on energy expenditure and activity levels.
Storage
Lyophilized: Room temperature. Reconstituted: 2-8°C. KP-10: use within 7 days. KP-54: use within 14 days
Frequency
Single dose for testing, or 2-3 times weekly (NEVER daily - causes desensitization)
Typical Dose
100-200 mcg per injection
Cycle Duration
2-4 weeks
Chemical Makeup
Key benefits
Potent reproductive hormone stimulation (LH/FSH)
Restoration of natural testosterone production
Fertility enhancement
Sexual function support
Hypogonadism treatment potential
Community interest
This peptide is still gaining traction in the community.
KISS1 Gene Product | Reproductive Neuropeptide
This overview is informational and based on aggregated descriptions from studies and user reports.
Was it helpful?YesKisspeptin Molecular Information
View the scientifc details of Kisspeptin.
9
Amino Acids
Kisspeptin
Asn
Asn
Position 1
Trp
Trp
Position 2
Asn
Asn
Position 3
Ser
Ser
Position 4
Phe
Phe
Position 5
Gly
Gly
Position 6
Leu
Leu
Position 7
Arg
Arg
Position 8
Phe
Phe
Position 9
Molecular Weight
1DaChain Length
9Amino AcidsType
PeptideKisspeptin Protocols
Standard administration route; allows precise dosing and rapid hormone stimulation.
| Goal | Dosage | Frequency | Route |
|---|---|---|---|
| Gonadotropin stimulation | 100 | 2 week range | SubQ |
| Fertility support | 0.4 | — | SubQ (KP-54) |
| Sexual function (clinical) | 1 | 75 week range | IV infusion |
Reconstitution Instructions
Materials needed:
Steps to reconstitute
- Clean work area and hands thoroughly with alcohol
- Calculate required BAC water volume
- Draw calculated water into syringe
- Inject slowly down vial side (not directly onto powder)
- Gently swirl until dissolved (never shake)
- Store in refrigerator at 2-8°C
- Use within 7 days for KP-10; 14 days for KP-54
Kisspeptin Cycle
The Kisspeptin Cycle section explains how long a typical cycle lasts and what to expect during each phase. Over time, your body can become less responsive with continuous use.
Taking breaks between cycles may help maintain effectiveness and support better overall results.
- Week 0-0
- LH surge peaks at 3-5x baseline
- Week 0-0
- LH returns to baseline
- Day 1-2
- Testosterone/estradiol increase in response to LH
- Week 2-4
- Potential improvements in sexual function and libido
Dosing tools
Kisspeptin Peptide Dosage Calculator
Calculate peptide doses with our visual syringe guide.
0.3mL / 30 units
5 units
0.050 mL
1 mL
2 mL
3 mL
5 mL
Custom
Conversion: 1,000 mcg = 1 mg
Injection Results
Based on your vial and dilution inputs.
Safe concentration range
Kisspeptin
SINGLE COMPOUNDVolume per injection
0.05
mL
Concentration
10.00
mg/mL
Doses per vial
20
doses
Total injections per vial
20 injections
How it works
Based on a 10 mg Kisspeptin vial diluted with 1 mL of bacteriostatic water, each 500 mcg injection equals 0.05 mL.
Research Purposes Only
These calculators are provided for educational and research purposes only. Always verify calculations and consult with qualified professionals. The information provided is not medical advice. Peptides should only be used in accordance with applicable laws and regulations.
Reference Guide
Dosing Cycle
- Peptide
- Kisspeptin
- Dosing
- 100-200 mcg per injection
- Dosing Frequency
- Single dose for testing, or 2-3 times weekly (NEVER daily - causes desensitization)
- Cycle Duration
- 2-4 weeks
- Storage
- Lyophilized: Room temperature. Reconstituted: 2-8°C. KP-10: use within 7 days. KP-54: use within 14 days
Note: Triple agonist; microdose for fewer side effects
Reconstitution Tips
- Use bacteriostatic water (BAC) — contains 0.9% benzyl alcohol for preservation
- Inject water slowly — aim down the vial wall, not directly onto powder
- Never shake — gently swirl or roll the vial until dissolved
- Store properly — refrigerate at 2-8°C after reconstitution
- Use within 28 days — most reconstituted peptides remain stable for about 4 weeks
- Keep sterile — always clean vial tops with alcohol before drawing
Peptide Interactions
Research suggestions of Kisspeptin interactions with other common peptides and substances.
Sexual
hcg
Hormonal
HCG
COMPATIBLE
Serves as potentially safer alternative for IVF ovulation triggering.
Side effects
Contraindications
Not recommended during pregnancy or breastfeeding
Caution with cardiovascular disease history
Daily dosing causes receptor desensitization
Stop signs
Ovarian hyperstimulation signs: severe pelvic pain, bloating, nausea
Chest pain or cardiovascular symptoms
Severe headaches or visual disturbances
Persistent injection site reactions
Bad signs
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Frequently asked questions
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Peptides can support cellular repair, immune function, metabolic health, and tissue regeneration. Research suggests they may help with recovery, sleep quality, skin health, and cognitive function, depending on the specific peptide and its mechanism of action.
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Current research explores peptides for longevity, muscle recovery, wound healing, metabolic disorders, and neuroprotection. Scientists are also investigating peptide-based drug delivery and targeted therapies that could offer more precise treatment options.
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Peptides work by binding to receptors on cells and triggering specific biological responses. Depending on the peptide, they may promote growth hormone release, support collagen production, modulate inflammation, or influence neurotransmitter activity—each with different implications for health and wellness.
Where can I find the latest studies on peptide applications?
Peer-reviewed journals such as Nature, Science, and specialized publications like Peptides and the Journal of Peptide Science publish ongoing research. PubMed and Google Scholar are useful for searching studies by peptide name or condition.
Are there any guidelines for using peptides in research?
Research use of peptides typically follows institutional review board (IRB) protocols and regulatory guidelines. Dosage, administration route, and safety monitoring should align with published literature and applicable regulations in your jurisdiction.
What is the difference between peptides and proteins?
Peptides are short chains of amino acids (typically under 50), while proteins are longer chains that fold into complex structures. Peptides are often more stable, easier to synthesize, and can cross cell membranes more readily, making them attractive for therapeutic applications.
How should peptides be stored?
Most peptides require refrigeration (2–8°C) and protection from light. Reconstituted peptides often have shorter stability and may need to be used within days or weeks. Always follow the manufacturer's or research protocol's storage instructions.
Can peptides be taken orally?
Some peptides are bioavailable orally, but many are broken down by digestive enzymes before reaching the bloodstream. Subcutaneous injection, nasal administration, or other routes are often used in research to improve bioavailability. The optimal route depends on the specific peptide.
KisspeptinResearch References
Kisspeptin is an emerging compound
Kisspeptin
Kisspeptin is an emerging compound
Kisspeptin for Hypoactive Sexual Desire Disorder in Men
Modulated sexual brain activity; increased penile tumescence by 56% vs placebo. JAMA Network Open.
2023
Kisspeptin for HSDD in Women
Modulated sexual and attraction processing; increased self-reported sexiness. JAMA Network Open.
2022
Kisspeptin as IVF Ovulation Trigger
45% live birth rate with zero severe OHSS; safer than hCG trigger. Journal of Clinical Investigation.
2017
Intranasal Kisspeptin Administration
Non-invasive delivery with rapid gonadotropin stimulation; stable 60-day formulation. eBioMedicine.
2025