Peptide Academy · Sexual Health
Also known as KP-54 / Metastin (45-54)
Educational research summary, not medical advice. Many compounds here are not approved for human use. Talk to a licensed clinician before making any health decision.
The Peptide Academy is free to read. Members also get the research protocols for Kisspeptin-54, dose and vial tracking, and an AI Advisor with cited sources. Try it all free for 7 days, no card needed.
Start my free 7-day trialThe longer circulating kisspeptin form studied in fertility and reproductive-behavior trials.
Same KISS1R agonism with longer half-life and sustained GnRH stimulation.
Investigational; desensitization with sustained exposure.
Common side effects
Histamine reactions
Flushing is common; site itching occasionally.
Common fixes
Stop and get help
Basis: Prescribing information. Educational only, not medical advice.
Hormone treatments (testosterone, estrogen, GnRH drugs, fertility medicines)
Kisspeptin works through the same reproductive hormone axis; effects can overlap or cancel out.
Hormone lab tests
LH, FSH and sex hormone results can shift around doses.
Everything else you take, including supplements
Bring a full list of medicines and supplements to your pharmacist or clinician before starting.
Basis: No interaction studies; concerns follow from its action on the GnRH axis. Educational only, not medical advice. Never stop or change a prescribed medicine without your prescriber.
Protocols & tracking are members-only
Members see the research protocols for Kisspeptin-54, plan schedules, track every dose and vial, and ask the AI Advisor questions with cited sources. Try every Researcher feature free for 7 days, no card needed.