An ingredient called tadalafil which is found in the drug gives the expected results to all ED men after taking the drug. This ingredient is found in Tadalista 2.5 as a compound in medicine. You can learn about the effectiveness of cheap tadalista 2.5 review medicine available at our online store. The erection that men get using this medicine can last for 36-48 hours. The main function of this drug is to slowly relax the blood vessels in the penis of men and increase the blood flow in them. So that they are able to have longer sex with their partner.