Tadalafil acts as the active ingredient in Vidalista 2.5mg. Vidalista 2.5 is taken one hour before sex, after which it lasts for 36 hours. It is important to consult a doctor before taking Vidalista 2.5. It is important to consult a doctor before taking Vidalista 25 Mg. Tadalafil is the best drug used by men. Vidalista 2.5 is the popular pills of ED.