Vidalista 40 mg tablets contain 40 milligrams of tadalafil. It is available in tablet form and is typically taken orally with water. The dosage strength refers to the amount of tadalafil present in each tablet. The recommended starting dose for most men with ED is 10 mg, taken as needed, approximately 30 minutes to 1 hour before sexual activity. Depending on individual response and tolerability, the dosage may be increased to 20 mg or decreased to 5 mg.