What Is PT-141?
Cyclic heptapeptide analog of alpha-MSH, active metabolite of Melanotan II
⚠️ FOR RESEARCH PURPOSES ONLY — This compound is not FDA approved. All data presented is from clinical trials for educational reference.

Cellular Peptide
A 7-amino acid cyclic peptide analog of alpha-MSH that activates melanocortin receptors MC3R and MC4R, FDA-approved for hypoactive sexual desire disorder and studied for sexual function in clinical research. Premium Research Peptide.
Technical specifications
Cyclic heptapeptide analog of alpha-MSH, active metabolite of Melanotan II
Handle with care to maintain potency
Developed by Palatin Technologies, approved by FDA
Peer-reviewed research
Kingsberg SA, Clayton AH, Portman D, et al.
Diamond LE, Earle DC, Rosen RC, et al.
Diamond LE, Earle DC, Heiman JR, et al.
Not for human consumption. This product is sold exclusively for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.
All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.
By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.
Melanocortin receptor peptides