Cialis 20mg
Supplied as sealed pharmaceutical-grade tablets in a 100-count bottle, verified for identity and potency before dispatch.
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Product Details
| Contents | 100 tablets, 20mg each |
| Form | Oral tablet |
| Storage | Cool and dry, away from light |
| Batch | Sealed bottle |
Why Choose Cialis 20mg?
Supplied as sealed pharmaceutical-grade tablets in a 100-count bottle, verified for identity and potency before dispatch.
Key Benefits
- Pharmaceutical-grade tablets
- 100-count sealed bottle
- Identity and potency verified
- Ships from the USA in discreet packaging
About Cialis 20mg
Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor. PDE5 breaks down cyclic guanosine monophosphate (cGMP), the second messenger that mediates smooth muscle relaxation in vascular tissue; inhibiting the enzyme allows cGMP to accumulate and its signalling to persist.
Its defining pharmacological feature is duration. Tadalafil's half-life of roughly 17.5 hours is far longer than other agents in the class, which sit nearer 4 hours. That difference is structural rather than dose-related.
Supplied as sealed pharmaceutical-grade tablets, 100-count, verified for identity and potency. Prescription medicine in most jurisdictions.
Research background
PDE5 inhibition
PDE5 is concentrated in vascular smooth muscle, particularly in the corpus cavernosum and the pulmonary vasculature. Inhibition raises local cGMP and produces vasodilation in tissues where the nitric oxide pathway is already active.
Duration and selectivity
The extended half-life underpins both on-demand and daily-use profiles. Tadalafil also has a different selectivity profile across PDE isoforms than sildenafil, which accounts for the differing side-effect patterns reported in comparative studies.
Pulmonary and urological indications
Beyond its best-known use, tadalafil is studied and approved in pulmonary arterial hypertension and benign prostatic hyperplasia, both reflecting PDE5 distribution in those tissues.
Tadalafil is an approved prescription medicine with an extensive clinical literature. It carries meaningful contraindications and should be obtained and used under the supervision of a qualified prescriber.
Purity and verification
Supplied in sealed manufacturer packaging. Tablets are verified for identity and labelled potency before dispatch.
Do not accept product with a broken seal.
