Characteristic Details Active Ingredient Tadalafil Available Dosages 20mg, 40mg Form Tablet Administration Oral Visit Official Site Chemical Structure Tadalafil, the active component in Generic Cialis Professional, is a phosphodiesterase type 5 inhibitor. Its molecular formula is C22H19N3O4. Tadalafil’s structure includes a pyridopyrimidinone core, a distinguishing feature amongst PDE5 inhibitors. It exhibits high specificity and potency, […]