Male erectile dysfunction (ED) is commonly treated with the popular medications Vidalista 20. Tadalafil, the active component, is a member of the phosphodiesterase type 5 (PDE5) inhibitors drug class. Tadalafil helps achieve and sustain erections by increasing blood flow to the penis during sexual stimulation by inhibiting PDE5. Different formulations of Vidalista are available for purchase online and through pharmacies, to meet the needs of individual users. However, in order to ensure safety and efficacy, it should be used under medical supervision.