You've decided that you'll purchase an PDE-5 inhibitor to
treat your erectile dysfunction issue, but you're not sure which one will be
the best for you. The three you have to pick among include Cenforce
50 (sildenafil, Pfizer), Cialis (tadalafil, Lilly/ICOS) and Levitra
(vardinafil, Bayer). These three medications are the only approved drugs by the
FDA for treating erectile dysfunction.
The three drugs perform the same function to keep the high
levels of called cGMP (cyclic monophosphate of guanosine) which is crea...
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