Levitra 20mg is a PDE5 inhibitor oral tablet formulation supplied in a 50 tablet pack. Manufactured for consistent potency, stability, and controlled research applications.
Vardenafil, widely known by its pharmaceutical brand name Levitra, is a phosphodiesterase type 5 (PDE5) inhibitor with FDA approval for erectile dysfunction, joining Sildenafil and Tadalafil as the third major PDE5 inhibitor in CSD’s range. This formulation delivers 20mg per tablet in a 50 count format, the standard maximum recommended dose referenced in clinical prescribing guidelines for Vardenafil.
Vardenafil’s defining pharmacological characteristic is its receptor binding affinity for PDE5, which is documented as the most potent among the three major PDE5 inhibitors at a molecular level — though this greater in vitro potency does not necessarily translate to proportionally greater clinical effect, since each compound’s clinical dose was calibrated independently against its own potency profile. Vardenafil’s half-life of approximately 4–5 hours is comparable to Sildenafil’s, distinguishing both from Tadalafil’s substantially longer 17.5 hour half-life; meaning Vardenafil and Sildenafil are positioned for closer event based, on demand use timing relative to sexual activity, while Tadalafil’s extended window supports more flexible timing.
Vardenafil is also documented as more sensitive to interaction with strong CYP3A4 inhibitors than Sildenafil or Tadalafil, an important consideration in research examining drug interaction profiles across the PDE5 inhibitor class, and carries specific cardiac considerations including QT interval prolongation that differentiate its cardiovascular risk profile discussion from the other two compounds. This makes Vardenafil a relevant comparative reference point in PDE5 inhibitor research specifically examining receptor binding potency, half-life variability, and differential drug interaction and cardiac risk profiles within the same enzyme target class.
Every batch of CSD’s Vardenafil is third party lab tested for concentration accuracy and purity before being made available, with COA documentation available on request. CSD now stocks all three major PDE5 inhibitors: Sildenafil, Tadalafil, and Vardenafil; giving researchers the complete comparative PDE5 inhibitor class from a single verified Canadian supplier. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior.
Vardenafil should not be combined with nitrate medications, as this combination can cause a dangerous and potentially fatal drop in blood pressure. It carries specific cardiac considerations including QT interval prolongation. Consult a healthcare provider before use, particularly if you have cardiovascular conditions, take other medications, or have a history of irregular heartbeat.
Store in a cool, dry place away from direct light and heat.
Exactly as described.
They were not bad first time and it worked ok
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