Vidalista 20 mg contains tadalafil, known for its long-lasting action of up to 36 hours. It works by relaxing blood vessels and improving blood flow to the penis during sexual stimulation. This extended duration allows more flexibility and spontaneity compared to shorter-acting options. Vidalista 20 mg does not cause constant erections and should be used only as directed. 

get similar : Vidalista 40 mg | Vidalista 60 mg