Tadalafil, the active component in Vidalista tablets, improves blood flow to the penis by relaxing the muscles in the penile blood vessels, thereby treating erectile dysfunction. The active component of Vidalista tablets is tadalafil, a PDE-5 inhibitor. It alleviates erectile dysfunction by improving blood flow to the penis and relaxing the muscles in the penile blood vessels. Make sure you're not taking any expired medication by carefully reading the label before swallowing the tablet. Keep small children away from it. It is advised to keep Vidalista tablets at room temperature in a dark, dry location. Before buying, make sure the tablets are complete and undamaged.