Vidalista 40 and Cenforce 100 are widely recognized medications designed to improve blood flow in specific situations. The active ingredient in Vidalista 40 is Tadalafil, which, like Sildenafil Citrate in Cenforce 100, belongs to the class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. These medications help relax blood vessels during times of physical or emotional stress, ensuring better circulation where it’s needed most.