Tadalafil, a member of the phosphodiesterase-5 inhibitor drug class, is the basis for the sexual enhancer's beneficial effects. Avanafil, Vardenafil, and Sildenafil—commonly referred to as Viagra—are in this group.

Phosphodiesterase is inhibited by vidalista 20mg (PDE-5). PDE-5 guarantees the dissolution of an erection, which is a critical function. The possibility of insufficient blood flow leading to erectile tissue death exists with a permanent erection. In the event of sexual arousal, it is simpler to obtain an erection if the enzyme is inhibited. The penis also maintains its erect position for a longer period of time.