Vidalista 40 is a very effective medicine for treating erectile dysfunction. The main ingredient in this drug is tadalafil. Erection from this drug lasts longer. The effect of this drug is in the penile region which helps in relaxing the muscles so stimulation is obtained and strength is also increased during intercourse. With the use of this drug you can enjoy longer sex with your partner and make your sex life successful. Visit our store primedzfor more information.