zenegra 100 has an energetic component Sildenafil which is an FDA-approved drug made use of to deal with impotence issues in guys. After being introduced in 1998, Zenegra 100mg became one of the most prominent treatments for impotence concerns. Zenegra 100mg is a fast-acting drug that can last as much as four hrs. It functions well for guys at any type of age, regardless of how long the person has been having concerns getting and maintaining an erection.