What Kisspeptin is
Kisspeptin is an endogenous neuropeptide that regulates reproductive-axis signaling through effects on GnRH pathways.
Kisspeptin is grouped under Endogenous / Biology / Approved / Clinical on PeptideFactCheck because it is an important peptide if you want to understand reproductive-axis biology beyond older GnRH analogs.
The useful starting point is to separate the molecule itself from the internet story around it. It is an important peptide if you want to understand reproductive-axis biology beyond older GnRH analogs.
Why people keep looking it up
It is an important peptide if you want to understand reproductive-axis biology beyond older GnRH analogs.
Kisspeptin is an endogenous neuropeptide that regulates reproductive-axis signaling through effects on GnRH pathways.
Kisspeptin tends to stay in the conversation because it touches a familiar public theme: reproductive axis, gnrh signaling, and neuroendocrine control. That makes it easy for the claim to travel faster than the evidence.
What the evidence can support right now
Strong biology and meaningful human endocrine relevance.
Human physiology and clinical investigation exist, especially in reproductive-endocrine contexts.
Mechanistic support around GnRH control and reproductive-axis signaling is strong.
Why this page carries the current tier: Strong biology and meaningful human endocrine relevance.
The current seed trail for Kisspeptin is pulling from 2 databases sources and 1 literature source.
Safety, limits, and regulatory context
Reproductive endocrine signaling should not be flattened into casual optimization language.
Kisspeptin is tracked here as endogenous biology rather than an FDA-approved peptide drug.
Editorial boundary: PeptideFactCheck does not publish dosing, cycling, sourcing, injection, or administration instructions for Kisspeptin. The job here is to explain the public claim, the mechanism story, the evidence strength, and the current limits.
Molecular and identifier data
The current PubChem match for Kisspeptin is CID 71306396. That gives the page a source-backed chemistry record rather than a placeholder identifier block.
- PubChem CID
- 71306396
- Formula
- C258H401N79O78
- Molecular weight
- 5857
- InChIKey
- KAHDONZOCXSKII-NJVVDGNHSA-N
Matched synonyms include Kisspeptin, Kisspeptins, KISS-1, KISS-1 metastasis suppressor, Metastin, 388138-21-4, 2VG74ZW2K5, DTXSID00192075.
Open PubChem recordClinical trial snapshot
The current ClinicalTrials.gov intervention query for Kisspeptin returns 36 study records. This does not prove efficacy by itself, but it does show whether the peptide is showing up in a formal trial registry rather than only in forums or vendor copy.
Literature snapshot
The current PubMed query for Kisspeptin returns 3408 results. The articles below are a quick literature surface so the page shows actual papers instead of only generic evidence labels.
Source trail
Each linked source is shown directly so the page can be audited. The page now combines its editorial seed trail with automated official-source enrichment generated on 2026-04-24 from PubChem, ClinicalTrials.gov, PubMed, DailyMed, openFDA label, and Drugs@FDA.