IMO, Cialis is a lot better than Viagara. Viagara doesnt last as long and it makes it difficult for me to breathe. I have no negative sides with Cialis and it gives you wood for a couple days if you need it to. I never tried Levitra.
Cialis is the best, the liquid research companies have good product. Add with test, dostinex at .5mg eod for 3 weeks then cialis..yikes you will scare yourself.