Vidalista 20 is the best drug to solve the problem related to sex. Tadalafil acts as the active ingredient in Vidalista 20, Vidalista 20mg is taken one hour before sex, after which its effect lasts for 36 hours. Tadalafil is the best drug to solve the problem of ED. It is important to consult a doctor before taking Vidalista 20. These tablets must be taken only once a day.