Tadalafil acts as the active ingredient in Vidalista Pro 20mg tablets. Vidalista Pro 20 Mg takes you one hour before sex. The effect lasts for 36 hours after taking it. It is important to consult a doctor before taking Vidalista Pro 20. Vidalista Pro 20 is widely used by men. Vidalista 20mg must be taken once in 24 hours.