ResearchSafe

Kisspeptin-10 (Kisspeptin-10 (Metastin 45-54))

Category: Sexual Health. Status: Research compound.

The shortest bioactive kisspeptin fragment, a master regulator of reproduction. Activates GnRH neurons to stimulate the HPG axis, increasing LH, FSH, and sex hormones.

How it works

Binds KISS1R on GnRH neurons, stimulating GnRH pulsatile release for LH/FSH secretion. Also enhances limbic sexual arousal circuits.

Key facts

  • Molecular weight: 1,302 Da
  • Half-life: 4-6 min (IV) / 20-30 min (SubQ)
  • Bioavailability: High (IV/SubQ)
  • Storage: Lyophilized: -20°C. Reconstituted: use immediately.

Dosing overview

  • Typical dose: 1-10 nmol/kg
  • Frequency: Single dose or daily
  • Duration: Acute or short-course
  • Route: IV or Subcutaneous

Reported benefits

  • Stimulates GnRH naturally
  • Increases LH and testosterone
  • Enhances sexual arousal (fMRI data)
  • Potential fertility aid
  • HPG axis diagnostic tool

Possible side effects

  • Hot flashes
  • Headache
  • Transient LH surge
  • Nausea (rare)

Research

  • Kisspeptin-10 and sexual brain processing in men (2022): Increased limbic brain activity to sexual stimuli by 40% and improved penile tumescence.
  • Kisspeptin restores LH pulsatility in hypothalamic amenorrhea (2021): Restored LH pulses in women with functional HA, suggesting fertility therapeutic potential.

Community reviews of Kisspeptin-10

Rated 4.6 out of 5 from 9 community reviews by ResearchSafe members.

  • loading_phase_lucy rated it 5/5 - Noticed clear benefits within weeks: Added Kisspeptin-10 to my protocol about 2 months ago and it has earned its place. The benefits became noticeable around week 2-3 and have been consistent since. What I appreciate about this compound is the predictability. It does what the research suggests it should do, at roughly the timeline you would expect. No surprises, no dramatic swings, just steady improvement. No notable side effects to report at my dose. Sourcing is always the challenge with research compounds, insist on third-party testing. Storage and reconstitution per standard protocols. Plan to continue.
  • syringe_science_sue rated it 5/5 - Solid compound with real results: Been using Kisspeptin-10 for about 3 weeks and the results are clear. Not overnight dramatic, but a steady, consistent improvement that became undeniable by the end of the first month. The mechanism makes sense based on what I have read in the literature, and my subjective experience matches the expected timeline. Benefits built gradually and plateaued at a good level. Side effects were minimal to none at the dose I used. Followed proper protocols for sourcing, storage, and administration. Would recommend to others who have done their research and have realistic expectations.
  • injection_journal rated it 5/5 - Genuinely effective after 3 weeks: Been using Kisspeptin-10 for about 3 weeks and the results are clear. Not overnight dramatic, but a steady, consistent improvement that became undeniable by the end of the first month. The mechanism makes sense based on what I have read in the literature, and my subjective experience matches the expected timeline. Benefits built gradually and plateaued at a good level. Side effects were minimal to none at the dose I used. Followed proper protocols for sourcing, storage, and administration. Would recommend to others who have done their research and have realistic expectations.
  • data_driven_dan rated it 4/5 - Worth adding to the protocol: Kisspeptin-10 has been a worthwhile addition. I am data-driven and tracked relevant markers before, during, and after. The improvement is measurable and correlates with the intervention timeline. What sets this apart from some compounds I have tried is the consistency. Benefits did not fluctuate wildly or disappear. They built up and maintained. That gives me confidence in the mechanism. Tolerance has been excellent. Nothing in my bloodwork or subjective experience raised any flags. This is the kind of compound that does its job quietly without causing problems. Exactly what you want.
  • travis231 rated it 5/5 - Skeptical at first, but it surprised me: I started Kisspeptin-10 for about 8 weeks here in the Philippines, mainly because I wanted to see if it could help my drive and overall recovery after long shifts and training. I was very skeptical, seriously. It actually changed my mind a bit, because for me the effect felt real, not just placebo.
  • megan302 rated it 5/5 - finally took the edge off my old fatigue and flatness: i tried kisspeptin-10 for about 6 months because, after years in firefighting and now being on the west coast trying to keep training and recovery in line, my sex drive had gone kind of flat and my overall drive felt off. for me, it seemed to bring back a more natural baseline, with better arousal and a bit more spark without that wired feeling some stuff gives me. i also noticed it felt easier to recover mentally from hard weeks. that is just my own experience, not proof of anything. i was genuinely impressed, and i would give it 5 stars.

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Community discussions about Kisspeptin-10

Research and educational reference only. Not medical advice.