
- Longevity
- Weight management
- Metabolic health
Dr. Benjamin H. Krasne, M.D.
A board-certified physician who brings a rigorous, pharmacology-driven lens to longevity medicine and weight management.
Most ED and libido drugs work on blood flow. PT-141 (bremelanotide) works on the central nervous system — increasing desire and arousal at the source. Compounded as troches by licensed U.S. pharmacies, prescribed by clinicians who know how to dose it.
PT-141 was originally developed as a tanning agent. It became something more interesting when researchers noticed an unexpected side effect.
Bremelanotide (PT-141) is a melanocortin receptor agonist — a peptide that activates melanocortin pathways in the brain. The drug was originally developed by Palatin Technologies as a sunless tanning agent. During clinical trials, researchers noticed an unexpected side effect: increased sexual desire and spontaneous erections. The drug development pivoted, and bremelanotide is now FDA-approved (as Vyleesi) for premenopausal women with hypoactive sexual desire disorder.
The mechanism is what makes PT-141 unusual. Sildenafil, tadalafil, and the entire PDE-5 inhibitor class work peripherally on blood flow — they enable an erection when arousal is already happening. PT-141 works centrally, in the brain, increasing the desire and arousal itself. For members whose issue isn't mechanics but desire — and that's many men and women, particularly with age, SSRI use, or chronic stress — this is a fundamentally different tool.
The FDA-approved Vyleesi requires subcutaneous injection. The compounded troche form (a small lozenge dissolved under the tongue) provides the same active molecule with easier use and no needles. HealifyNow works with licensed U.S. compounding pharmacies that produce pharmaceutical-grade bremelanotide troches.
If the problem is wanting to, not being able to — PT-141 targets the right level.
Medication-related sexual side effects often respond to PT-141 because they are central, not peripheral.
Works through the same mechanism in both sexes. Used routinely for both.
For men where mechanical drugs work but desire is still flat, PT-141 fills the gap.
From your first message to your medication arriving at your door — clinician-guided, every step.
A care team member meets with you to understand your goals, medical history, and treatment preferences. The first visit is no-cost and no-commitment — we want you to be confident before moving forward.
Connect by secure video or phone with a U.S.-licensed physician or nurse practitioner who reviews your full picture — labs, prior treatments, current medications, and lifestyle — and decides what is clinically appropriate.
If your clinician determines treatment is right for you, they issue a prescription that goes to a licensed U.S. pharmacy. We coordinate discreet shipping, or you can fill it locally. Follow-up visits are built in.
Bremelanotide activates melanocortin 4 receptors (MC4R) in the hypothalamus and other brain regions involved in sexual response. MC4R is a known regulator of sexual behavior in animal models and appears to play a similar role in humans. Activation produces increased sexual desire, increased arousal in response to sexual stimuli, and in men supports the central component of erection (alongside the peripheral blood flow effects of PDE-5 inhibitors).
The fact that PT-141 works in both men and women through the same receptor system is one of its most interesting features. Most sexual function medications target sex-specific anatomy. PT-141 targets the underlying neural drive that's common to both.
The drug has a 30-60 minute onset and 4-8 hour duration. It's used as-needed, before anticipated intimacy, rather than daily. The peptide is broken down in the digestive tract, which is why injection or sublingual (under the tongue) administration is required — the troche bypasses the gut.
One side effect worth knowing: PT-141 can cause a temporary, mild rise in blood pressure for an hour or two after dosing. This is usually clinically insignificant in healthy members but is one reason cardiovascular screening matters.
Your clinician will review every relevant detail with you. Here are the most important points to know up front.
PT-141 can transiently raise blood pressure. Members with uncontrolled hypertension or significant cardiovascular disease are typically not candidates.
Roughly 1 in 4 members experience mild nausea, particularly with the first few doses. It typically lessens with continued use.
Because melanocortin receptors also affect pigmentation, some members experience subtle skin darkening, new freckles, or darkening of existing moles with frequent use. Reversible. Monitor any concerning skin changes.
PT-141 does not affect testosterone, estrogen, or other sex hormones.
All medications must be prescribed by a licensed provider based on medical necessity. Treatment is not suitable for everyone. Results may vary.
Typical dosing is 1-3 mg sublingual troche, taken 30-60 minutes before anticipated intimacy. Your clinician will start you at a conservative dose and adjust based on response and tolerance.
Place the troche under your tongue and let it dissolve fully — don't chew or swallow it. Effects typically begin within 30-60 minutes and last 4-8 hours.
PT-141 is used as-needed, not daily. Most members find a few uses per week is more than enough; many use it once a week or less. Daily or near-daily use is not recommended because of cumulative pigmentation effects.
PT-141 can be combined with PDE-5 inhibitors (tadalafil, sildenafil) for men where both desire and mechanics need addressing. Your clinician will discuss whether the combination fits.
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We built HealifyNow because telehealth done badly is everywhere — and telehealth done right still feels rare. Here is what makes us different.
No waiting rooms, no faxed forms, no insurance hoops. Quick consults, simple intake, prescriptions handled digitally.
Real physicians, nurse practitioners, and specialists with active licenses. Not chatbots, not offshore call centers.
Medications ship from licensed U.S. pharmacies in plain packaging. Most orders arrive in 2-5 business days.
Reach a real human seven days a week. Most messages get a clinical reply within a few hours, not days.
HealifyNow prescriptions are reviewed and authorized by independently licensed physicians — real doctors with real credentials from top medical institutions in the United States.

A board-certified physician who brings a rigorous, pharmacology-driven lens to longevity medicine and weight management.

A Columbia-trained physician and former collegiate athlete focused on metabolic function, body composition, and healthspan.

A board-certified OB-GYN and ACOG Fellow with more than four decades of experience in women's health.
Real people, real results. Names and details published with permission.
"On an SSRI for years, sexual side effects took a toll on my marriage. PT-141 didn't fix everything but it gave back the desire that had vanished. We're in a much better place."
"Tried tadalafil — mechanics fine, but I just wasn't interested anymore. Adding PT-141 was the missing piece. The desire side was the real issue."
"Post-menopausal libido was nonexistent even on HRT. My clinician suggested PT-141 troches. The difference is meaningful — my husband and I both noticed."
HealifyNow makes it easy to move forward with confidence. Here are the answers to what people ask us most.
Bremelanotide is FDA-approved as Vyleesi (injectable form) for premenopausal women with hypoactive sexual desire disorder. Off-label use in men and in postmenopausal women, and compounded troche form, are prescribed by licensed clinicians at their discretion.
PDE-5 inhibitors work peripherally on blood flow — they enable an erection when arousal is happening. PT-141 works centrally in the brain — it increases the desire and arousal itself. Different mechanism, different problem solved. Many men benefit from using both.
Yes — bremelanotide is FDA-approved for women with low desire (as Vyleesi), and the same molecule in troche form works similarly. Many women find it effective.
As-needed, generally not more than a few times per week. Daily or near-daily use can accumulate pigmentation effects and is not recommended.
Yes — many members use PT-141 specifically because SSRIs or SNRIs have damped their sexual function. The mechanism is independent of the serotonin system that drives antidepressant sexual side effects.
Some members notice subtle skin darkening, new freckles, or darkening of moles with frequent use. These effects are reversible and gradually fade after stopping the drug. We monitor for concerning skin changes.
If your blood pressure is well-controlled on medication, PT-141 is generally safe. If your blood pressure is uncontrolled or you have significant cardiovascular disease, your clinician may not prescribe it.
Onset is typically 30-60 minutes after sublingual dosing. Effects last 4-8 hours.
Book a free consultation, answer a short health questionnaire, then meet a licensed clinician by secure video or phone. If PT-141 troches is medically appropriate, your clinician sends the prescription to a licensed U.S. pharmacy and it ships to your door.
Yes. Telehealth prescribing is legal when a licensed clinician evaluates you first. PT-141 troches is only prescribed when it's clinically appropriate, and it's filled by a licensed U.S. pharmacy.
PT-141 troches pricing is $149. Your first consultation is free, you don't need insurance, and your clinician confirms the exact cost before anything is prescribed.
PT-141 troches is typically prescribed for adults with low libido or arousal concerns; PT-141 isn't suitable if you have uncontrolled high blood pressure or heart disease. Your clinician reviews your health history, current medications and goals before deciding whether it's right for you.
No. Care is self-pay with flat, published pricing, so you don't need insurance, referrals or prior authorizations to get started.
Your clinician reviews your medical history, current medications, past treatments and goals by secure video or phone, explains the benefits and side effects, and agrees a plan with you. Labs may be ordered if needed.
Sometimes. Depending on your history, your clinician may ask for recent results or order a lab panel before prescribing PT-141 troches. Lab testing can be arranged at draw sites nationwide.
Book a free consultation to see if PT-141 troches fit your picture. Compounded, pharmaceutical-grade, prescribed properly.