Kisspeptin-54 (Metastin)
ExperimentalFull-length kisspeptin / researchExperimental
54-aa kisspeptin used in human reproductive-endocrine studies. Longer than Kp-10. WADA S2. Not FDA-approved.
For research use only.
Key Facts
- CAS
- 374675-16-8
- Molecular Weight (MW)
- ≈5857 g/mol
- Half-life
- Short; study-dependent
- Unit
- mcg
- Administration Route
- IV/SC in studies
- Frequency
- —
- Last updated
- 8/23/2026
- Targets
- KISS1R
Overview
54-aa kisspeptin used in human reproductive-endocrine studies. Longer than Kp-10. WADA S2. Not FDA-approved.
Protocol
- Dosage Range
- Per clinical study protocol
- Frequency
- —
- Cycle
- —
- Administration Route
- IV/SC in studies
- Reconstitution Guide
- —
Science
Mechanism of Action
Endogenous KISS1 gene product that potently activates KISS1R and is a gatekeeper of puberty and GnRH pulsatility.
Targets
KISS1R
Studies
- Kisspeptin-54 in humans— Journal/year not available
Benefits
Human reproductive-research tool
Potential Side Effects
- Injection reactions
- Reproductive-hormone swings
References
- PMID 17148555External link · Year —
- WADA Prohibited List 2026External link · Year —