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PT-141 (HA) 10mg



Glass Vial


Solid Crystals

In Stock

Frequently Bought Together

Sterile Vial (10 mL)

Reconstitution Solution (10ml)

Reference Standard 99%+

Looking for 98.5 or Pure versions?


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3rd Party Tested

Our testing lab confirms peptides sequential signatures


PT-141 Peptide Information

Molecular formula: C50H68N14O10
Molecular weight:
1025.2 g/mol
PubChem CID:
  • Bremelanotide
  • 189691-06-3
  • UNII-6Y24O4F92S
  • 6Y24O4F92S
Research Applications:
  • Erectile Dysfunction (ED) in Men
  • Sexual Arousal Disorders in Women
  • Hypoactive Sexual Desire Disorder (HSDD) in premenopausal women

PT-141 Research Overview

PT-141, commonly referred to as bremelanotide, is a synthetic peptide hormone that has been developed to address sexual dysfunction in both men and women. Its mechanism of action involves the stimulation of melanocortin receptors within the brain, which in turn increases sexual desire and arousal. Unlike other treatments that primarily affect blood flow, PT-141 targets the nervous system, making it effective for both erectile dysfunction in men and hypoactive sexual desire disorder in women.

PT-141 is a non-selective agonist of melanocortin receptors, particularly MC1, MC3, MC4, and MC5. These receptors are involved in various physiological processes, including sexual function. By activating these receptors, PT-141 promotes the release of nitric oxide, which relaxes smooth muscles and increases blood flow to sexual organs. This complex mechanism not only facilitates the achievement of erections in men but also amplifies sexual desire and arousal in both sexes, making PT-141 a promising multifaceted therapeutic agent for addressing sexual dysfunction in a research context.

PT-141 and Erectile Dysfunction (ED) in Men

In clinical trials where PT-141 was administered as a nasal spray or subcutaneously, it led to statistically significant improvements in erectile function compared to placebo, with erections occurring within about 30 minutes. The effects were dose-dependent [R, R, R].

Research also looked at combining PT-141 with sildenafil (Viagra). Co-administration of the two treatments resulted in significantly enhanced erectile activity compared to either treatment alone. This suggests PT-141 works through a different mechanism than sildenafil and the two may have synergistic effects [R, R].

PT-141 and Sexual Desire in Women

In clinical trials, premenopausal women with hypoactive sexual desire disorder (HSDD) who received PT-141 reported significant improvements in sexual desire and related distress compared to those who received a placebo. The effects were seen as early as 4 weeks into treatment and were maintained over the course of the studies [R, R].

One study found that more women experienced moderate to high sexual desire after receiving PT-141 compared to placebo. They also reported greater satisfaction with their level of arousal during sexual activity [R].

Research Directions for PT-141

To better grasp how PT-141 addresses sexual dysfunction, more research is necessary. This involves examining its impact on different melanocortin receptors and their involvement in sexual arousal. Researchers might also look into the benefits of using PT-141 alongside other treatments for sexual dysfunction, like phosphodiesterase type 5 inhibitors (PDE5i), to see if it boosts effectiveness. The influence of PT-141 on melanocortin receptors hints at possible advantages beyond sexual health, including weight management and cancer prevention. Future research could explore these additional applications.


Which Other Peptides Have Been Researched for Sexual Health?

Some other research peptides studied for their benefits to sexual health include PT-141 spray, Kisspeptin-10 and CJC-1295 No DAC.

Where to Buy PT 141 for Research Use?

PT-141 can be purchased online from reputable biotech suppliers such as Limitless Biotech. Limitless offers a wide selection of USA-made peptides for sale online for scientific research and development purposes.

Our extensive range of products undergoes rigorous third-party testing to verify the sequential signatures of all research peptides for sale. With our commitment to quality, most orders are promptly sent out on the same day they are placed, accompanied by our unwavering dedication to providing exceptional customer service.


Certificate of Analysis of PT-141 (Bremelanotide) 10 mg

PT141 Ha 10mg

Legal Disclaimer

This product is sold as a pure compound for research purposes only and is not meant for use as a dietary supplement. Please refer to our terms and conditions prior to purchase.

Safety Information: Keep this product out of the reach of children. This material has limited research available about it and may result in adverse effects if improperly handled or consumed. This product is not a dietary supplement, but a pure substance, sold as a raw material. We attest exclusively to the quality, purity and description of the materials we provide. This product is for use and handling only by persons with the knowledge and equipment to safely handle this material. You agree to indemnify us for any adverse effects that may arise from improper handling and/or consumption of this product.

The articles and information on products that may be found on this website are provided exclusively for the purposes of providing information and education. These items are not pharmaceuticals or medications, and the Food and Drug Administration has not given permission for the treatment or prevention of any disease, medical condition, or ailment using them.

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