Home›Research›Compare›Alpha-MSH vs Cetrorelix
Peptide ComparisonAlpha-MSH vs Cetrorelix
Both are Reproductive & Hormonal peptides.
Alpha-MSH
Alpha-Melanocyte Stimulating Hormone
Half-life: ~3-5 minutes (plasma)
No providers listed yet
Cetrorelix
Cetrotide
Half-life: ~62 hours
1 providers listed
Cetrorelix is FDA-approved, while Alpha-MSH is not evaluated — the clearest structural difference between them.
Alpha-MSH
Half-life
~3-5 minutes (plasma)
Cetrorelix
Half-life
~62 hours
| Your goal | Better option |
|---|---|
| Stronger clinical evidence | Cetrorelix |
| Further along in FDA review | Cetrorelix |
| Less frequent dosing (longer half-life) | Cetrorelix |
| More provider options (0 vs 1) | Cetrorelix |
Research summary only — not medical advice. Consult a qualified provider before making any decisions.
Alpha-MSH
Cetrorelix
Alpha-MSH
Preclinical assessment of (177)Lu-DOTA-Pip-Nle-CycMSH(hex): In vivo evaluation and human dosimetry estimation.
Antrodia cinnamomea extract exhibits anti-melanogenic and anti-photoaging effects: potential for cosmetic and…
Depigmenting Effects of Vitex rotundifolia Cone Essential Oil in Melanocytes and Its Chemical Composition.
Hypothalamic orexigenic and anorexigenic neuropeptides in the rotenone model of Parkinson's disease.
+8 more
Cetrorelix
GnRH Agonists and Antagonists in IVF/ICSI Cycles of PCOS Women: A Network Meta-Analysis.
Optimal GnRH antagonist protocol for ovarian stimulation during ART: systematic review and network meta-analy…
Efficacy and safety of different cetrorelix doses in the luteal phase for preventing ovarian hyperstimulation…
Effects of half-dose and full-dose GnRH antagonists on IVF-ET outcomes: a retrospective study
+3 more
About Alpha-MSH
Melanocortin peptide; activates MC1R (pigmentation/anti-inflammatory), MC3R (energy balance), MC4R (appetite); suppresses NF-κB and pro-inflammatory cytokines
About Cetrorelix
Competitive GnRH receptor antagonist; immediately blocks pituitary GnRH receptors; rapidly suppresses LH/FSH without initial flare effect; used for controlled hormonal suppression
Information below reflects published research data only — not medical advice. Consult a qualified provider before use.
Alpha-MSH
No established clinical contraindications
Cetrorelix
Source: FDA label
Under clinical review
Being verified by our medical team before we display monitoring guidance for this peptide.
Where to source these peptides
PeptideBase lists providers for educational research purposes only. Always consult a qualified healthcare professional before obtaining or using any peptide.
More Reproductive & Hormonal Comparisons
Browse all peptides →Explore Alpha-MSH
Explore Cetrorelix
Educational research tools — not medical advice.