Tagged: impotence

viagra-history

Canadian Viagra Drug

History of the Greatest Creation

The world first heard about Viagra, in 1992. Homeland of this drug is considered to be the United Kingdom. And history of appearance is connected with pharmacological studies of a new substance.

It was in the study and testing of sildenafil citrate from Pfizer company that its special properties were revealed. By the way, interesting is the fact that Viagra was originally used to treat a number of heart diseases.

Canadian-Levitra

Levitra and its Main Advantages

Impressive Researches’ Results

Few people know that properties of Levitra are about 10 times stronger vs. properties of Viagra. It is really hard to believe. After all, Viagra for a long time occupied leading position among drugs for erectile dysfunction treatment. Levitra became not just an analogue of the drug with worldwide fame, but also improved, became a proven means. This, in its turn, was proved in medical study conducted at University of Cologne.