Instalab
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Tadalafil · 2.5-5mg · generic Cialis®

Back to spontaneous. Without the timing.

Other ED pills put you on a clock. Tadalafil (generic Cialis®) stays in your system up to 36 hours, so sex happens on your timeline, not the pill's. $49 online visit, no Instalab+ needed.

36 hrCoverage per dose
22,000+Men studied in global trials
From $7Per month
Tadalafil Prescription Review
Tadalafil · once daily · food-independent
Licensed US physician review
FDA-approved for daily use
Private, no call or video
Sent to your pharmacy
How it works

From questionnaire to first dose.

A 2-minute questionnaire, a $49 online visit, and your prescription sent to the pharmacy you choose. The visit is a physician review of your answers: no appointments, no calls, no Instalab+ needed.

Step 1

2-minute questionnaire

A few questions about your health, prior ED history, and any current medications. Done from your phone, on your time.

Step 2

$49 online visit

A licensed US physician reviews your health history and determines whether daily tadalafil is appropriate. If they have questions, they'll message you. Most reviews complete within 1 business day.

Step 3

Sent to your pharmacy

If approved, we send the prescription to your preferred pharmacy,. You pay the pharmacy directly for the medication.

Step 4

Daily routine, full effect at 4 weeks

One tablet at roughly the same time each day. Steady blood levels build over the first 4 weeks — most men notice results by week 3.

Pricing

What you'll actually pay.

Two line items: a one-time online visit and the tadalafil itself, dispensed by your pharmacy. No Instalab+ needed.

Online Visit

One-time physician review of your health history, with follow-up support included

$49one-time

Tadalafil (daily 2.5mg or 5mg)

Generic, dispensed by your pharmacy

Cash price$5–21/monthTypical pharmacy cash price
With insurance$0–20/monthIf covered; many plans exclude ED medications

The online visit is a one-time fee, not a subscription. It covers a physician review of your health history and, if the physician determines treatment is appropriate, a prescription with refills for up to one year, sent to the pharmacy you choose. If no prescription is issued, the $49 fee is refunded. You pay the pharmacy directly for the medication. Renewing after a year takes a new online visit; dose changes require Instalab+, which never charges visit fees.

Need something stronger for the moment?

10mg and 20mg on-demand are available with Instalab+.

Most men do great on daily 2.5mg or 5mg. But if you want maximum strength for a specific moment, a date night, a weekend away, a milestone, 10mg and 20mg on-demand are available with Instalab+.

Instalab+ also covers online visits, so dose changes and renewals never cost extra.

Taken 30 to 60 minutes before sex. Still covers you up to 36 hours. Physician-reviewed dose selection, ongoing optimization, and the freedom to switch between daily and on-demand as your needs change.

Explore Instalab+ →
Doses available

Everyone starts at 2.5mg. 5mg if you have taken tadalafil before.

Daily tadalafil comes in two doses, 2.5mg and 5mg. New patients start at 2.5mg, the gentlest effective daily dose. If you have already been on tadalafil, 5mg is available self-serve in the questionnaire. Both share the same safety profile and once-daily routine.

2.5 mg daily Starting dose

Gentlest effective daily dose · ready whenever you are · 36-hour coverage

$49 online visit

5 mg daily Available for prior tadalafil users

Already been on tadalafil and need something more?

$49 online visit
On-demand dosing requires more clinical tailoring, so we pair it with Instalab+ and physician follow-up. Daily 2.5mg and 5mg are offered self-serve because they share the same safety profile and simple once-daily routine.
About the medication

One small pill. 36 hours of readiness.

Take one tablet each day at about the same time. Full effect builds over the first four weeks as tadalafil reaches steady blood levels.

  • One small tablet, once a dayTake it at the same time each day, with or without food. Compatible with moderate alcohol.
  • Ready when you areDaily dosing means no timing a pill before sex. Spontaneity stays intact.
  • Up to 36 hours of coverageTadalafil has a ~17.5-hour half-life, the longest in its class. One pill keeps you covered into the next day.
  • Ongoing supportOur care team is a message away. We check in at 4 weeks to make sure the dose is working for you.
Why tadalafil

The longest coverage in ED medicine.

Tadalafil is the only ED medication with a daily dosing option, which means no pill to plan and no window to watch.

  • Up to 36 hours of coverage per doseA 17.5-hour half-life, the longest in its class. Sildenafil and vardenafil last 4 to 6 hours. Tadalafil covers you into the next day.
  • Works with food and moderate alcoholA fatty meal can cut sildenafil's effectiveness by up to 50%. Tadalafil absorbs reliably regardless of what you have eaten.
  • One of the most-studied ED medications in historyStudied in 22,000+ men across global trials, with 70 to 80% response rates for mild to moderate ED. Long-term follow-ups show improvements hold for years with continued daily use.
Real results

What daily tadalafil looks like in practice.

Three Instalab patients, in their own words, on their own timelines.

Week 4

No more performance pressure

The mental loop of 'will it work this time' was half the problem. Knowing I'm covered all weekend broke that cycle.

Ethan, 42
Stress-related ED
Month 2

Back to how it used to be

I tried Viagra (sildenafil) first but hated planning around it. Daily 2.5mg feels like nothing — I'm just back to how things used to be.

David, 48
ED started in his 40s
Month 3

Same routine, stronger result

2.5mg worked but I wanted it to hit a bit harder. The 5mg step-up was seamless — same drug, same routine, better result.

Marco, 55
Stepped up from 2.5mg after 3 months

Tadalafil is a prescription medicine. Important safety information applies. Do not take tadalafil with nitrates. Common side effects include headache, back pain, flushing, and indigestion.

Common Questions

Everything people ask before starting.

Ready when you are

Spontaneity, on your timeline.

Answer a few questions. A physician reviews your case. If daily tadalafil is appropriate, your prescription goes out in discreet packaging.

No commitment to treatment.