PT-141

Melanocortin receptor agonist acting on MC3R and MC4R in the CNS. Approved as Bremelanotide for treating hypoactive sexual desire disorder.

2 anonymous reports
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Also known as:

pt141pt 141bremelanotide

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Community Q&A

What does PT-141 do?
Community accounts consistently describe PT-141 as producing centrally-mediated sexual arousal — increased desire and sensitivity rather than purely a mechanical response. Female accounts describe heightened desire and sensation; male accounts describe stronger arousal and, in some cases, improved erections. The mechanism is described in accounts as distinct from PDE5 inhibitors (Viagra/Cialis) — acting on the brain rather than blood vessels. This distinction appears frequently in accounts from users who found PDE5 inhibitors insufficient.
How long does PT-141 last?
Community accounts describe the onset at 30–90 minutes after subcutaneous injection, with peak effects at 1–3 hours and duration of 6–12 hours in most reports. Some accounts describe residual effects into the following day. Nausea appears in a portion of accounts, typically within the first hour — described as manageable and dose-dependent. Accounts that dose too frequently report diminishing returns, with most conventions suggesting use no more than twice per week.
Is PT-141 safe for women?
Female community accounts describe PT-141 as well-tolerated at moderate doses. The most commonly reported female-specific experiences: significantly increased desire, enhanced sensitivity, and in some accounts reduced anxiety around intimacy. Nausea appears in female accounts at a similar rate to male accounts — usually in the first use and improving with subsequent doses. Accounts from women with HSDD (hypoactive sexual desire disorder) appear frequently, framing it as more effective than other treatments they had tried.