Vidalista 20 contains Tadalafil as its active ingredient. Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor that works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection. Vidalista 20 mg is a moderate strength of the medication. The appropriate dosage should be determined by a healthcare provider based on individual health factors and response to treatment. https://www.genericday.com/vidalista-20-mg.html