My choice - Cialis. I have an experience with different medications, such as Viagra and Levitra, but Cialis is the best for me. It makes my life full of pleasant sensations and I don't feel my real age.
A huge part of a brand drug price consists of research and development costs, and advertising. Drug companies that produce generic versions simply buy chemical ingredients and spend money on production. Thus they can sets lower prices on their products.
This is the category of medications which are called as muscle relaxant.