Cialis (tadalafil) is a phosphodiesterase type 5 (PDE5) inhibitor. PDE5 is an enzyme that breaks down cyclic guanosine monophosphate (cGMP),
Continue readingCialis (tadalafil) is a phosphodiesterase type 5 (PDE5) inhibitor. PDE5 is an enzyme that breaks down cyclic guanosine monophosphate (cGMP),
Continue reading