Peptide Reference
Kisspeptin-54
Kisspeptin-54 (Metastin)
The full-length human kisspeptin with longer half-life than Kisspeptin-10. Used in clinical trials for reproductive medicine.
Status
clinical
Category
sexual
Typical cost
Clinical setting only
Mechanism
Same mechanism as Kisspeptin-10 but with longer duration of action. Activates kisspeptin receptors to stimulate GnRH and downstream reproductive hormones.
Potential benefits
- Longer half-life than KP-10
- Clinical trial data
- Fertility restoration
- Predictable response
Reported side effects
- Requires IV administration
- Medical supervision needed
- Limited availability
Common dosing references
intravenous
Clinical setting only · Varies by protocol
Varies
Research notes
Kisspeptin-54 fertility trials
2014
Successful oocyte maturation in IVF protocols
Regulatory and sourcing notes
In clinical trials. Not FDA-approved. Used in research settings for fertility treatments.
Not available as research peptide. Used only in clinical trials and fertility clinics.
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