Viagra restores potency in men who are not able to gain or maintain erection on the needed level. At the moment, this is the most effective drug for the prevention of the erectile dysfunction which helps in 100% of cases, during each use, regardless of the causes and severities of ED.
Cialis is taken by million aged and young men who lead an active sexual life. It is very easy to take this remedy, and the man does not have to restrict to the consumption of alcohol or meals. One tablet is enough in order to return the healthy erection for 36 hours and forget about the sexual dysfunction.
Levitra belongs to the number of the best drugs for the treatment of the erectile dysfunction. It better goes with aged men because it is safer than the analogs, provides the fastest action and does not load the hear system. By efficiency Levitra is not worse than the most popular drug for the treatment of impotence and is regard as a big competitor.