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Pharmaceuticals/Chemicals

Tadalafil

Cialis

Long-acting PDE5 inhibitor; also used off-cycle for BPH/endothelial support.

Pharmacokinetic summary

Model tier
Advanced (t½ + Cmax + Tmax + F)
Half-life
0.7 days
Cmax
1725 ng/mL
Tmax
0.1 days
Bioavailability
80%
Typical dose
2.5–20 mg