PT-141 Nasal Spray

PT-141 (Bremelanotide) is a synthetic peptide agonist studied in non-human research models for its selective activity at melanocortin receptor subtypes, particularly MC3R and MC4R. Scientific literature examines this compound in the context of hypothalamic melanocortin signaling, neuroendocrine pathway modulation, and receptor subtype selectivity within centrally-acting peptide research frameworks.

Research applications commonly explored in the literature include:

MC3R and MC4R receptor binding selectivity and downstream signaling pathway investigation

Hypothalamic melanocortin axis activity in non-human neuroendocrine research models

Comparative receptor activity studies between bremelanotide and related melanocortin peptide analogues

Neuroendocrine pathway modulation research in CNS-focused non-human laboratory frameworks

Melanocortin peptide stability and intranasal bioavailability modeling across delivery route comparison studies

The nasal spray format supports investigation of intranasal delivery as an administration route for centrally-acting melanocortin peptides in non-human research models, enabling comparative analysis of peptide bioavailability and receptor accessibility across delivery methods. All PT-141 Nasal Spray bottles are filled in the United States and independently verified by third-party laboratories for molecular identity, purity, and formulation consistency.

1. Why is PT-141 studied in nasal spray format?
Intranasal delivery supports comparative investigation of administration route effects on peptide bioavailability and melanocortin receptor accessibility in non-human research models. Scientific literature examines whether delivery method influences MC3R/MC4R binding behavior and downstream neuroendocrine signaling outcomes.

2. Is PT-141 intended for human use or performance enhancement?
No. PT-141 is not approved for human or veterinary use. All products sold by KÖLD are strictly for in vitro and non-human laboratory research purposes only and are not intended for any therapeutic or performance application.

3. What are the storage requirements after opening?
Refrigerate at 2–8°C and use within 30 days of first use to maintain stability and sterility.

4. Can PT-141 be used with other compounds in research?
PT-141 appears in scientific literature alongside Melanotan 2 and related melanocortin analogues in non-human research models examining comparative MC receptor subtype selectivity and downstream neuroendocrine signaling behavior. Researchers should reference peer-reviewed literature to validate compound combinations appropriate to their specific research framework.

5. Where is this product manufactured?
All KÖLD nasal sprays are formulated, filled, and tested in the United States under sterile laboratory conditions. Each batch is independently verified by third-party laboratories for concentration accuracy, molecular identity, and sterility prior to release.

Store in the refrigerator at 2–8°C (36–46°F)

Protect from light and heat

Do not freeze

Use within 30 days of opening

Reconstitution is not required. This product is supplied in pre-mixed nasal spray format.
For research use only. Not for human or animal use.
Not intended to diagnose, treat, cure, or prevent any disease.