⚖ Head-to-Head · Endogenous vs Synthetic

Kisspeptin-10 vs PT-141

Mechanism, half-life, dosing & research status compared side-by-side.

Kisspeptin-10
Reproductive & Hormonal
Not Approved
ReproductiveTestosteroneFertilitySexual Health
Kisspeptin-10 is the minimal biologically active fragment of kisspeptin - the peptide product of the KISS1 gene that acts as the master regulator of reproductive axis activation. It acts exclusively on the kisspeptin rec…
Full Kisspeptin-10 profile →
PT-141
Sexual Health & Melanocortin
Approved
Sexual HealthMelanocortinFDA Approved
PT-141 (Bremelanotide) is a cyclic heptapeptide analog of Melanotan II and alpha-MSH that acts on melanocortin receptors (MC1R, MC3R, MC4R) in the central nervous system to activate sexual arousal pathways. Unlike PDE5 i…
Full PT-141 profile →
Technical Specs Comparison
MetricKisspeptin-10PT-141
Research Status Extensively Studied FDA Approved
Molecular Weight 1,302.5 Da 1,025.2 Da
Half-Life ~28–30 min ~2.7 hours
Peak Time ~30–45 min ~45–60 min
Typical Dose 1–10 µg/kg (clinical); 0.5–2 mg (research) 1.75 mg (FDA); 1–2 mg research
Frequency Pulsatile (every 90 min) or bolus as needed As needed (max 1× per 24h)
Route Subcutaneous / Intravenous (clinical) Subcutaneous
Amino Acids 10 7
WADA Status Not Listed Not Listed
FDA Status Not Approved Approved
Stack Compatibility & Key Differences
PT-141 has FDA approval; Kisspeptin-10 is research-only.
Frequently Asked Questions
What is the difference between Kisspeptin-10 and PT-141?
Kisspeptin-10: Kisspeptin-10 is the minimal biologically active fragment of kisspeptin - the peptide product of the KISS1 gene that acts as the master regulator of reproductive axis activation. It acts exclusively on the kisspeptin rec… PT-141: PT-141 (Bremelanotide) is a cyclic heptapeptide analog of Melanotan II and alpha-MSH that acts on melanocortin receptors (MC1R, MC3R, MC4R) in the central nervous system to activate sexual arousal pathways. Unlike PDE5 i…
Can you stack Kisspeptin-10 and PT-141?
PT-141 has FDA approval; Kisspeptin-10 is research-only.
Which has a longer half-life, Kisspeptin-10 or PT-141?
Kisspeptin-10 half-life: ~28–30 min. PT-141 half-life: ~2.7 hours.
✓
Verified Scientific Data
All specifications on this page are sourced from peer-reviewed literature and primary research. Half-life values, dosing ranges, and mechanism data are cross-referenced against published studies. Last audited 2026-07-21.
● Peer-reviewed sources ● Audit timestamp: 2026-07-21 ● Data version: ASCEND Wiki 2026
Data sourced from ASCEND Wiki · Kisspeptin-10 profile · PT-141 profile · All comparisons
Ready to calculate your exact draw volume?
Enter your vial size and BAC water to get precise IU markings for any dose.
Calculate Kisspeptin-10 dose → Calculate PT-141 dose →