Skip to library content
Back to the shelf
Peptide library
Not FDA-approvedBrain & sleep

PT-141

Also called bremelanotide (see approved)

Evidence
Limited research
Class
MC4R agonist

PT-141 belongs to the MC4R agonist class. This library groups it under brain & sleep. Its source category is Not FDA-approved.

Research libraryPeppy Care
Source snapshot
References12 linked sources

At a glance

PT-141 research overview
Compound classMC4R agonist
Associated brandsVyleesi (approved)
Body systemBrain & sleep
Use or research focusLibido / sexual function
Regulatory statusApproved as Vyleesi; also compounded off-label
Source evidence ratingLimited research

How does PT-141 work?

Central melanocortin activation.

The source catalog maps this mechanism to Brain / CNS. A biological mechanism describes how a compound interacts with the body; it does not by itself prove a clinical benefit.

What does the evidence tell us?

The source catalog rates the evidence as limited. Laboratory and animal findings cannot establish benefits or safety in people. Small or early studies may raise useful research questions without supporting routine clinical use.

Use the Citations tab to examine the underlying sources. Look for human studies, a relevant comparison group, meaningful outcomes, and adequate follow-up. An ingredient, approved drug, and compounded preparation may have different evidence.

Safety and considerations

For an unapproved use or compound, safety and effectiveness may be uncertain. Products sold for research are not a substitute for prescribed care. Do not infer a human dose, injection protocol, or treatment recommendation from preclinical research.

This library is educational and does not provide dosing or treatment instructions. A listing here does not indicate that Peppy offers the compound.

Common questions

What is PT-141?

PT-141 belongs to the MC4R agonist class. This library groups it under brain & sleep. Its source category is Not FDA-approved. Its recorded use or research focus is: Libido / sexual function.

Is PT-141 FDA-approved?

The catalog records: Approved as Vyleesi; also compounded off-label. Check the current product-specific regulatory information in the source links; a source category does not establish approval for every use or formulation.

How strong is the research?

The source catalog rates the evidence as limited. Laboratory and animal findings cannot establish benefits or safety in people. Small or early studies may raise useful research questions without supporting routine clinical use.

Where can I read the research?

The Citations tab contains 12 reference links from the source dataset. The original research guide provides additional context. These links are a starting point for reading the evidence.

More for brain & sleep

Factual catalog fields and citation links are adapted from Superpower’s PT-141 guide and the public dataset linked in the reference post. Peppy’s explanations are educational; this page does not represent an independent clinical review of every linked study.