Viagra tablets are Pfizer's formulation that has achieved enormous success in the treatment of men who are suffering from a type of impotence known as erectile dysfunction (ED). Said to be originally tested for the treatment of hypertension and angina pectoris by a group of pharmaceutical chemists working in Pfizer’s research laboratory, Viagra tablets were later found out to effectively produce erection among a group of impotent men. As a result of this discovery, Viagra tablets, after getting