
- 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.
Tadalafil is the generic version of Cialis. It works for up to 36 hours, can be dosed daily at low strength, and treats both erectile dysfunction and benign prostatic hyperplasia. Sourced from licensed U.S. pharmacies, prescribed by real clinicians, shipped discreetly to your door.
Sildenafil (Viagra) came first; tadalafil came better. The long half-life made the experience qualitatively different — and the daily-dose option made it the medication of choice for many.
Tadalafil is a PDE-5 inhibitor — same drug class as sildenafil (Viagra) and vardenafil (Levitra). What sets tadalafil apart is the pharmacokinetics: it has a 17.5-hour half-life, meaning a single dose remains effective for up to 36 hours. Most members find this transforms the experience of ED treatment from medication-then-performance to spontaneous availability.
Tadalafil also has the unique distinction of being approved at a low daily dose (2.5 mg or 5 mg) for continuous use. Daily dosing produces steady tissue levels, treats BPH symptoms (urinary urgency, weak stream) alongside ED, and lets most members fully forget they're "on a medication." For many men this is the preferred protocol.
Generic tadalafil has been available since 2018 and costs a fraction of brand Cialis while delivering the identical active molecule. HealifyNow prescribes from licensed U.S. compounding and retail pharmacies. We don't sell sketchy "research grade" or imported tadalafil.
Inconsistent or insufficient erections for satisfying intimacy. Common at all adult ages; especially common over 40.
Frequent urination, urgency, hesitation, weak stream. Daily tadalafil treats this alongside ED.
Tadalafil's long duration removes the planning aspect that sildenafil requires.
Some clinicians prescribe low daily tadalafil for endothelial health and exercise performance, off-label.
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.
Erections begin with sexual arousal triggering nitric oxide release in the corpus cavernosum (the erectile tissue of the penis). Nitric oxide activates an enzyme (guanylate cyclase) that produces cGMP, which causes smooth muscle to relax. Relaxed smooth muscle in the corpus cavernosum lets blood flow in, producing an erection.
cGMP is broken down by phosphodiesterase type 5 (PDE-5). Tadalafil inhibits PDE-5, so cGMP sticks around longer, smooth muscle stays relaxed longer, and the erectile response is amplified and prolonged. Crucially, tadalafil doesn't cause erections by itself — it requires sexual arousal to trigger the cascade. This is why members on PDE-5 inhibitors don't walk around with persistent erections.
PDE-5 also exists in smooth muscle elsewhere in the body, particularly the bladder neck and prostate. Daily tadalafil relaxes this smooth muscle too, which is the mechanism for the BPH benefit.
The 17-hour half-life — much longer than sildenafil's 4 hours — is what produces the 36-hour effective window. Daily dosing at 2.5 mg or 5 mg builds steady tissue levels without the spike-and-trough pattern.
Your clinician will review every relevant detail with you. Here are the most important points to know up front.
Nitrate medications (for chest pain) combined with PDE-5 inhibitors can cause dangerous blood pressure drops. Your clinician will check.
Some blood pressure medications combined with tadalafil can lower blood pressure too much. Your clinician will time dosing or choose alternatives.
Headache, flushing, mild back pain, and nasal congestion are the most common side effects. They typically lessen with continued use.
Rare but serious — stop the medication and contact your clinician immediately if these occur.
All medications must be prescribed by a licensed provider based on medical necessity. Treatment is not suitable for everyone. Results may vary.
Two main approaches:
As-needed (PRN) dosing. Take 10 mg or 20 mg about an hour before anticipated intimacy. Works for up to 36 hours. Food doesn't significantly affect absorption (unlike sildenafil, which needs an empty stomach for best results). Many members start here and adjust dose based on response.
Daily dosing. Take 2.5 mg or 5 mg every morning. After about a week of daily use, tissue levels reach steady state and the medication is continuously effective. Most members on daily dosing report that they "forget" they're on it — intimacy becomes spontaneous again.
Alcohol is generally fine in moderation; heavy drinking blunts the effect. Take the same time each day if on daily dosing — consistency matters more than exact timing.
Get a fast read on whether this is worth a deeper conversation.
Patients served across the U.S.
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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.
"Switched from sildenafil to daily tadalafil two years ago. The mental shift away from 'taking a pill for sex' is the actual benefit. Just normal life again."
"BPH symptoms were my real complaint — getting up three times a night. Daily tadalafil resolved that completely within three weeks. The other benefit is a bonus."
"Honest with my clinician about anxiety with new partners. Daily low-dose tadalafil removed the performance worry. Not a confidence issue anymore."
HealifyNow makes it easy to move forward with confidence. Here are the answers to what people ask us most.
Both are PDE-5 inhibitors. Tadalafil lasts up to 36 hours; sildenafil lasts 4-6 hours. Tadalafil is less affected by food; sildenafil works best on an empty stomach. Tadalafil has a daily-dose option; sildenafil is as-needed only. For most members tadalafil's pharmacokinetics are preferred.
Tadalafil has been on the market since 2003 and has a very well-established long-term safety record. Daily dosing has been studied for years in BPH populations without significant safety concerns.
Some insurance covers generic tadalafil for ED, particularly when prescribed daily for BPH. Many members find our cash-pay pricing competitive even compared to copays. Pricing is transparent.
Tadalafil addresses the mechanism of erection. If your ED is driven by low testosterone, vascular disease, anxiety, or medications, those root causes deserve attention too. Your clinician will help identify what's going on.
Yes — many members on TRT also take tadalafil. The combination is common and your clinician will manage it.
Low-dose daily tadalafil has been used off-label for endothelial health and exercise performance. The evidence is mixed but interesting. Your clinician can discuss whether this fits your goals.
Yes — sildenafil, vardenafil, avanafil, intracavernosal injections (Trimix), vacuum devices, and addressing root causes (testosterone, anxiety, vascular health). Your clinician will discuss the next step.
Tadalafil does not create physical or psychological dependence. Some members feel mentally reassured by having it available, which is reasonable. Stopping it does not cause withdrawal.
Book a free consultation, answer a short health questionnaire, then meet a licensed clinician by secure video or phone. If tadalafil 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. Tadalafil is only prescribed when it's clinically appropriate, and it's filled by a licensed U.S. pharmacy.
Tadalafil pricing is $149 for the Triple Action Blend. Your first consultation is free, you don't need insurance, and your clinician confirms the exact cost before anything is prescribed.
Tadalafil is typically prescribed for men with erectile dysfunction; tadalafil must never be taken with nitrate medications or riociguat. Your clinician reviews your health history, current medications and goals before deciding whether it's right for you.
Many members meet a clinician within a few days of booking. If tadalafil is prescribed, it ships in discreet packaging and most orders arrive within 2 to 5 business days.
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 tadalafil. Lab testing can be arranged at draw sites nationwide.
Book a free consultation. Real medicine, sourced properly, delivered discreetly.