About PT-141 - Libido Peptide

PT-141 works directly through the nervous system to boost libido and sexual arousal in both men and women, rather than just increasing blood flow. It's usually taken subQ a few hours before needed.

WHAT THE RESEARCH SHOWS

Research on PT-141 (Bremelanotide) is unique because it targets the central nervous system to boost sexual function rather than acting on the vascular system like traditional ED medications. Here is what the clinical data shows:

Central Desire & Libido: PT-141 activates melanocortin receptors (primarily MC3R and MC4R) in the brain, directly triggering sexual desire, mental arousal, and receptivity. It is FDA-approved under the brand name Vyleesi for Hypoactive Sexual Desire Disorder (HSDD) in women.
* Erectile Function for Men: Because it acts via neurogenic pathways rather than purely relaxing smooth muscle/blood vessels, research shows it is highly effective for erectile dysfunction—especially in cases where traditional PDE5 inhibitors (like Cialis or Viagra) fail due to psychological or neurological factors.  Delayed Onset & Long Window: Studies show its effects peak anywhere from 2 to 4 hours post-injection and can maintain responsiveness for up to 12-24+ hours. While often compared to Oxytocin (which is more about emotional connection and bonding) or Kisspep (which boosts natural LH/FSH and testosterone pathways), PT-141 is strictly focused on raw physical arousal and libido.

STUDIES

• Kingsberg et al. 2019 – RECONNECT Phase 3 trials (PMC)
• Kingsberg et al. 2019 – supplementary data (Obstetrics & Gynecology)
• Simon et al. 2019 – RECONNECT 52-week extension (PMC)
• Contemporary OB/GYN – Phase 3 results

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