Nabi Vit is composed of sildenafil, which dilates the blood vessels connecting to the penis, which causes a large amount of blood to rush towards the penis, which stimulates the process of hardening and erection. This is the natural mechanism that occurs during the erection process. Therefore, the drug is used in order to overcome the weakness of hardening and erection in order to continue the process of intercourse between the spouses without any problems that impede it. It is considered a temporary remedy in solving the problem of sexual weakness, which affects family life.