01 / RESEARCH SUMMARY
Kisspeptin Research Summary
Kisspeptin is a hormone that sits at the top of the reproductive axis. It activates the KISS1 receptor in the hypothalamus to release GnRH, which in turn raises LH, FSH and testosterone or estrogen. Human studies show kisspeptin-10 reliably raises LH and testosterone in men. It has been studied as a gentler trigger for egg maturation in IVF, with a lower risk of ovarian hyperstimulation, and for low libido and hypogonadism.
Read the full guide →02 / WHY RESEARCHERS STUDY IT
Why Kisspeptin draws research interest
These are the areas researchers and the peptide community explore Kisspeptin for most often. They describe what is being studied — not proven benefits, approved uses, or promised results.
Hormone levels
Raises LH and testosterone in human studies.
Fertility
Studied as a gentler egg-maturation trigger in IVF.
Libido
Explored for sexual desire and arousal.
Evidence ranges from early lab work to large clinical trials depending on the use — see the sections below for the data and sources.
03 / DOSING & RECONSTITUTION
Dosing & Reconstitution Guide
A single practical dilution with accurate dosing, step by step
Standard Approach (3 mL = 3.33 mg/mL)
- Reconstitute: Add 3 mL bacteriostatic water to one 10 mg vial → final concentration 3.33 mg/mL (3,333.3 mcg/mL).
- Typical range: 50–200 mcg 1–2x daily · daily.
- Easy measuring: At 3.33 mg/mL, 1 unit ≈ 33.33 mcg on a U-100 syringe, so doses read at 1.5–6 units — a 0.3 mL (30-unit) syringe makes them easier to read.
- Storage: Lyophilized: store at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F) and do not freeze the mixed solution.
| Protocol | Dose range | Frequency | Cycle | Half-life | Fasted | Route |
|---|---|---|---|---|---|---|
| Injectable · Subq | 50–200 mcg | 1–2x daily · Daily | ~4 min (plasma, kisspeptin-10) | No | Subq | |
| Oocyte maturation · kisspeptin-54 IVF study (2014) | 1.6 / 3.2 / 6.4 / 12.8 nmol/kg | Single administration | Single study visit | Subcutaneous (kisspeptin-54 study formulation) |
04 / RECONSTITUTION CALCULATOR
Mix & measure Kisspeptin · 10 mg
Pre-filled with this protocol's recommended BAC water and starting dose — edit any field to run your own numbers.
- CONCENTRATION
- 3.33 mg/mL
- DRAW VOLUME
- 0.015 mL
- ON THE SYRINGE
- 1.5 units
- DOSES / VIAL
- 200
Reconstitution math only. U-100 syringe: 100 units = 1 mL.
Reconstitution GuideFull calculator →05 / STORAGE
Storage Instructions
Lyophilized (powder)
Store in the freezer at −20 °C (−4 °F) for long-term storage, or refrigerated at 2–8 °C for shorter periods. Keep dry, sealed and away from light. Let a frozen vial reach room temperature before opening to avoid condensation.
Reconstituted
Refrigerate at 2–8 °C (35.6–46.4 °F) and use within about 28 days. Do not freeze. Keep away from heat and direct light, and avoid repeated temperature swings. Swirl gently — never shake.
Reconstitution steps
- Wipe the vial stopper with an alcohol swab.
- Draw the BAC water and release it slowly down the inside wall of the vial.
- Swirl or roll gently until fully dissolved — don't shake.
- Label with the date and concentration and refrigerate.
06 / RESEARCH FINDINGS
What Research Shows
Human research
- GnRH signaling, reproductive hormone release, and oocyte maturation have been studied in humans.
Research context
Specialist fertility research does not establish general libido, testosterone, or self-use benefits. Kisspeptin variants and clinical circumstances differ.
07 / MOLECULAR BIOLOGY
Mechanism of Action
Characterized biological pathway
KISS1R and reproductive signaling
Kisspeptin activates KISS1R signaling upstream of GnRH release, influencing LH and FSH secretion. Peptide variants and specialist fertility procedures must be distinguished.
Adamantane & the blood–brain barrier
Chemically attaching an adamantane group to a peptide can increase its lipid (fat) solubility. Researchers hypothesize that this modification may help certain compounds cross the tightly regulated blood–brain barrier. The effect depends on the specific modified molecule; greater lipid solubility alone does not establish brain delivery or clinical benefit. This does not apply automatically to the unmodified peptide and is not a reconstitution additive.
08 / LIFESTYLE FACTORS
Lifestyle Factors
- Get baseline hormone labs (LH, FSH, testosterone or estradiol) before starting.
- Sleep, stress and body fat strongly affect hormone levels.
- Use as-needed or cycled rather than continuously.
09 / BENEFITS & SIDE EFFECTS
Potential Benefits & Side Effects
Potential Benefits
- Natural stimulation of LH and testosterone (Kisspeptin)
- Improved libido
- Enhanced feelings of connection and calm (Oxytocin)
Side Effects
- Flushing or headache
- Nausea
- Mood changes
- Oxytocin: lowered blood pressure at higher doses
10 / STUDIES
Studies & references
11 / SAFETY
Safety considerations
- Verify the active identity, lot number, and matching certificate of analysis. Testing does not by itself establish sterility or suitability for human use.
- Follow documented product-specific storage and preparation requirements; stability and diluent compatibility depend on the formulation.
- Research powders are not interchangeable with prescription formulations. Do not infer an injection or nasal protocol from a concentration calculation.
- For medical care, pregnancy, existing conditions, or medication interactions, consult a qualified healthcare professional.
12 / RECOMMENDED SOURCE
Recommended Source
For research peptides, we point researchers to Orbitrex Peptides for Kisspeptin.
Why Orbitrex?
- Family-owned & independently tested: Multiple laboratories verify quality, with batch-specific testing in every COA.
- Everyday value: Buy 4, Get 1 Free on eligible products.
- Loyalty credit: 5% back in loyalty credit for future purchases.
- VerifyPass discount: 20% off for qualifying groups — stacks with affiliate codes.
- Free 2nd Day shipping: Free UPS 2nd Day Air on orders $200+, applied automatically at checkout.
All products are for research use only. Availability and offers subject to change.