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Tadalafil (Research)
DRIVE · VII

Tadalafil (Research)

PDE5 inhibitor (research liquid).

From / per milligram
$40$—/mg · 5MG
Sizes available
—
Lab certificate (COA)
Arrives with shipment
View test certificate →

· Research-grade only · Not for human consumption · 21+ ·

What is it

PDE5 inhibitor equivalent to Cialis. Erectile function. Long half-life.

Mechanism · Phosphodiesterase 5 (PDE5) inhibitor. Note: small molecule, NOT peptide.

Who

Best for. Not for.

Best for

  • Erectile dysfunction (FDA Cialis 2003)
  • BPH (FDA Cialis 2011)
  • Pulmonary HTN (FDA Adcirca 2009)
  • Long half-life of 36 hours. Daily or on-demand dosing

Not for

  • Nitrate / α-blocker concurrent (severe hypotension)
  • Unstable angina / recent MI
  • Severe hepatic / renal impairment
  • Note: small molecule, not a peptide. Research-liquid disclosure
What it does

Mechanism, dose, ramp, risk.

Mechanism
PDE5 inhibitor (Cialis active). Long half-life ED research compound.Source · PEPVERA editorial
Target dose
5-20 mg, oral.Source · PEPVERA editorial
Ramp
On demand or daily.Source · PEPVERA editorial
Risks
Headache, BP drop with nitrates.Source · PEPVERA editorial
Alternatives

Compared to its siblings.

★ Currently viewing

Tadalafil (Research)

PDE5 inhibitor equivalent to Cialis. Erectile function. Long half-life.

Pros

  • · FDA Cialis 2003 approval with 20+ year evidence base.
  • · Peripheral PDE5 mechanism for users non-responsive to central pathways.
  • · Generic available since 2018.

Cons

  • · No central libido pathway; PT-141 Vyleesi 2019 acts on MC4R for non-responders to PDE5.

PT-141 (Bremelanotide)

Central libido (MC4R). An alternative for users non-responsive to PDE5 inhibitors.

Pros

  • · FDA Vyleesi 2019
  • · Central pathway

Cons

  • · Female HSDD label (male ED off-label)

See PT-141 (Bremelanotide) →

How we verify

COA per supplier

Published, in-house, or shipment-time

Each supplier declares its own HPLC floor and COA policy. The per-supplier verifier appears on the certificate page; refund and shipping terms vary by supplier and are shown on the supplier listing.

→ How we verify suppliers→ Refund policy
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Suppliers

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❄ COLD-CHAIN · 5–9 DAYS

Direct from foundry. Slower than domestic resellers; consistency is the trade. Insulated packaging, tracked from departure to doorstep. Replacement issued on damage.

Dosing protocol

Week 1–2

5-20 mg, oral.

Initiation

Week 3–4

5-20 mg, oral.

Signal emerges

Week 5–8

5-20 mg, oral.

Hold

Week 9–12

Cycle review

Assess

Reconstitution

Draw 20 units.

0.5 mg = 0.20 mL at 2.50 mg/mL. 10.0 doses per vial.

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Tadalafil (Research) · 5mg