PT-141, also known as Bremelanotide, is a synthetic melanocortin receptor agonist researched extensively for its effects on sexual desire, arousal, and erectile function in both males and females. Originally developed from the tanning peptide Melanotan II, PT-141 was refined to retain the sexual response benefits while minimizing the pigmentation effects. Marketed in some peptide research circles as the "Lovers Peptide," it acts on the central nervous system rather than the vascular system, making it fundamentally different from PDE5 inhibitors like Viagra or Cialis. It is the active ingredient in Vyleesi, an FDA-approved treatment for hypoactive sexual desire disorder (HSDD) in premenopausal women.
Unlike traditional erectile dysfunction medications that work on blood flow through PDE5 inhibition, PT-141 acts centrally on the nervous system by activating melanocortin receptors, primarily MC3R and MC4R, located in the hypothalamus and other brain regions involved in sexual response. Activation of these receptors stimulates dopamine release in the medial preoptic area, the brain region most associated with sexual desire and arousal. This produces effects on libido, sexual interest, and arousal that originate from the brain rather than from vascular changes. Because it works through a central pathway, PT-141 can promote arousal and desire even in cases where the issue is not primarily vascular, and it works in both males and females. Effects typically begin 30 to 60 minutes after administration and can last 6 to 12 hours.
Pairs with Kisspeptin-10 for combined libido and HPG axis support Stacks with Oxytocin for enhanced intimacy and bonding research protocols Often used as alternative or complement to PDE5 inhibitors in ED research Best researched 30 to 60 minutes before anticipated activity Typical research dosing: 1 to 2 mg per administration as needed Lower doses (0.5 to 1 mg) often preferred to minimize nausea Higher doses do not necessarily produce stronger effects but increase side effects Most researchers limit use to 2 to 3 times per week to minimize tolerance Effects can persist 6 to 12 hours after administration Avoid combining with substantial alcohol consumption due to nausea risk Reconstitute with bacteriostatic water; refrigerate after mixing Use within 4 to 6 weeks of reconstitution for peptide stability First-time researchers often start with 0.5 mg to assess individual nausea sensitivity
Select your preferred supplier and add to cart. Prices shown include VAT.
| Supplier / Lab | Strength / Volume | Price | Availability | |
|---|---|---|---|---|
|
UP
UPA Labs
Australia
|
10mg
1 Vial
|
R380
|
In Stock | |
|
HD
HD Labs
South Africa
|
10mg
1 Vial
|
R510
|
In Stock | |
|
KE
Keifei Pharmaceuticals
Malaysia
|
10mg
1 Vial
|
R680
|
In Stock | |
|
CO
Cooper Pharmaceuticals
South Africa
|
11mg
10 Vials
|
R2,200
|
In Stock |