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Cialis 20mg - 50 Tablets

★★★★★ 4.9 · 14 reviews SKU FB47 99% HPLC purity
$69.00$88.19 (-22%)
In stock — dispatches within 24h, tracked

Cialis (Tadalafil) 20mg is a PDE5 inhibitor oral tablet formulation supplied in a 50 tablet pack. Manufactured for consistent potency, stability, and research applications.

Format50 Tablets
Concentration20mg
Pay with Interac e-Transfer or Crypto
HPLC verified. COA on file for this batch
Ships from within Canada; No Customs
Discreet plain packaging; always
24h dispatch; Tracked Delivery

Tadalafil, widely known by its pharmaceutical brand name Cialis, is a phosphodiesterase type 5 (PDE5) inhibitor with FDA approval for erectile dysfunction and benign prostatic hyperplasia. F40 Biotech’s formulation delivers 20mg per tablet in a 50 count format. The standard maximum on demand dose referenced in clinical prescribing guidelines, double the unit dose of CSD’s 10mg Cialis listing in the same tablet count.

The 10mg and 20mg presentations serve different points on Tadalafil’s dose response curve. Clinical prescribing guidelines typically recommend starting at 10mg, with titration up to 20mg if the lower dose does not produce an adequate response, making the 20mg tablet the appropriate reference point for research examining Tadalafil’s upper labelled dose range rather than a presentation offering proportionally greater effect at all dose levels. As with all PDE5 inhibitors, going beyond the established maximum dose does not reliably produce additional benefit and primarily increases the likelihood of dose dependent side effects such as headache, back pain, muscle aches, flushing, and nasal congestion.

Tadalafil’s defining pharmacological characteristic remains its extended half-life of approximately 17.5 hours, substantially longer than Sildenafil’s roughly 4 hour half-life. Producing a window of activity commonly referenced as up to 36 hours. This characteristic, combined with its dual approval for erectile dysfunction and benign prostatic hyperplasia, distinguishes Tadalafil’s clinical research profile from Sildenafil across both the vascular and lower urinary tract smooth muscle mechanisms PDE5 inhibition affects.

Every batch of CSD’s Tadalafil is third party lab tested for concentration accuracy and purity before being made available, with COA documentation available on request. CSD stocks Tadalafil across both 10mg and 20mg presentations, giving researchers dose range flexibility within the same compound from a single verified Canadian supplier. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.

Tadalafil should not be combined with nitrate medications, as this combination can cause a dangerous and potentially fatal drop in blood pressure. Consult a healthcare provider before use, particularly if you have cardiovascular conditions or take other medications.

Store in a cool, dry place away from direct light and heat.

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4.9
★★★★★
Based on 14 verified reviews
5★86%
4★14%
3★0%
2★0%
1★0%
★★★★★ Anonymous Verified buyer 2026-08-10

★★★★★ Vincenzo Ristuccia Verified buyer 2026-07-21

★★★★★ Yann Audette Verified buyer 2026-07-21

I’ve use cialis several times from the doctor but cia max works just a good it not better

★★★★☆ Anonymous Verified buyer 2025-12-17

★★★★★ Anonymous Verified buyer 2025-12-16

Takes about 24hrs to fully kick in, but works great. It's the weekender pill.

★★★★★ Randy S. Verified buyer 2025-12-16

Great stuff and arrived on time

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Frequently asked questions

The active compound is identical Tadalafil but the 20mg tablet delivers the maximum approved pharmaceutical dose of Tadalafil in a single tablet. The 20mg dose is the most commonly researched on demand Tadalafil dose for erectile dysfunction producing maximum PDE5 inhibition duration of up to 36 hours from a single administration. Researchers who found the 10mg dose insufficient can escalate to the full 20mg dose. The 20mg tablet also provides the greatest daily dosing flexibility; splitting a 20mg tablet delivers 10mg doses, while a quarter tablet provides 5mg for daily low dose cardiovascular and blood pressure research protocols. The 50 tablet pack at 20mg provides 1000mg total; the largest total Tadalafil quantity available in a single product in CSD's catalogue.

At 20mg the maximum approved single dose. Tadalafil produces near complete PDE5 inhibition for up to 36 hours, the longest duration of any PDE5 inhibitor. Research applications for the 20mg dose include severe refractory erectile dysfunction where lower doses are insufficient, pulmonary arterial hypertension research where maximum pulmonary vasodilation is the objective, maximum exercise blood flow and performance research investigating peak nitric oxide pathway potentiation, and cardiovascular research protocols investigating maximum PDE5 inhibitor hemodynamic effects. The 20mg dose is also used in some benign prostatic hyperplasia research protocols targeting maximum smooth muscle relaxation in the prostate and bladder neck.

The 50 tablet pack at 20mg provides maximum flexibility across multiple research applications. For daily 5mg low dose protocols. The most commonly researched Tadalafil schedule for cardiovascular, blood pressure, and TRT support research each 20mg tablet provides 4 daily doses when quartered, making the 50 tablet pack sufficient for 200 days of once daily 5mg research. For on demand 20mg protocols, the pack provides 50 individual research administrations. For twice weekly 10mg protocols, each tablet split in half provides 100 administrations. The 50 tablet format makes this the most economical and versatile Tadalafil option for researchers requiring significant research quantity.

At the maximum 20mg dose, Tadalafil produces the most pronounced systemic vasodilation and blood pressure reduction of any approved Tadalafil dose. Researchers with baseline hypotension or those taking antihypertensive medications should assess cardiovascular response at lower doses before administering the full 20mg dose. The absolute contraindication with organic nitrates applies with heightened importance at 20mg. The combination can produce severe, potentially fatal hypotension. Alpha blocker medications should be initiated at the lowest dose when combined with Tadalafil. Despite these considerations, the 20mg dose is well tolerated by the majority of research subjects with normal cardiovascular function.

Yes! This batch has been independently HPLC tested by an accredited third party laboratory confirming concentration accuracy at 20mg per tablet and compound identity as Tadalafil. A certificate of analysis is available.

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Cialis 20mg - 50 Tablets

Cialis 20mg - 50 Tablets

$69.00$88.19 (-22%)

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