Kisspeptin FAQ: Your Questions Answered
The questions below are the ones that come up specifically about Kisspeptin, rather than general peptide questions that apply to everything.
Overview
People ask what KISS1R is, how it relates to fertility, why it is light-sensitive, and why it is also called metastin.
What Kisspeptin actually is
A ten-part peptide that sits at the very top of the body's fertility and sex-hormone signalling, telling the brain to start the hormone cascade. Studied around fertility, libido, and how that cascade is regulated.
Supplied for laboratory research use only — not for human or animal use.
Third-party tested by HPLC and LC-MS, ≥99% purity, with a Certificate of Analysis on every order. Ships across Canada.
Technical detail below
Kisspeptin — common questions
What is KISS1R?
The G-protein-coupled receptor (also called GPR54) that kisspeptin activates. It sits upstream of GnRH-releasing neurons in the reproductive axis.
How does it relate to the hormonal cascade?
Kisspeptin triggers GnRH release, which drives LH and FSH. That places it at the very top of the reproductive signalling chain in research models.
Why is it light-sensitive?
Its sequence contains a tryptophan residue, which oxidises on exposure to light and oxygen. That is why reconstituted solution should be kept dark.
Why is it also called metastin?
The KISS1 gene product was first described as a suppressor of cancer metastasis before its reproductive role was characterised, so the older literature uses the name metastin.
What Kisspeptin is studied for
Studied as the upstream trigger of GnRH release and the downstream LH and FSH signalling cascade.
Examined as the endogenous ligand for the KISS1 receptor in reproductive neuroendocrine models.
The parent KISS1 product was first characterised in cancer-metastasis research, a separate strand of the literature.
Summarizes published preclinical literature. Provided for research reference only; not a claim of efficacy or a description of human use.
More Kisspeptin reference
Lyophilized and reconstituted storage conditions, plus the practical working window.
Diluent selection, dissolution behaviour, and the calculator preset for this compound.
Which solvents work, why, and what abnormal dissolution behaviour indicates.
The specific chemical routes by which this molecule breaks down, and how to limit each.
Which assays are informative for this molecule, and what to actually check on its COA.
Compound-specific bench practices, and the errors most often made with this molecule.
What to inspect on arrival, and which conditions actually warrant rejecting a vial.
FAQ reference for other compounds
Kisspeptin is supplied strictly as a research chemical for in-vitro laboratory and research use only. It is not intended for human or animal consumption, diagnostic, or therapeutic use. This page is educational laboratory-handling reference information — not medical advice, not usage guidance, and not a protocol.