Tadalis Soft gel Capsule contains the active component Tadalafil, the third PDE-5 inhibitor which was approved by the FDA in the year 2003 for use in the effective and safe management of erectile dysfunction, benign prostate hyperplasia (BPH) or a combination of both. Tadalafil, after consumption of Tadalis Soft gel Capsule enters the blood rapidly where it inhibits the action of the enzyme phosphodiesterase 5. On blockade of the actions of PDE-5, the levels of the biochemicals nitric oxide and cGMP increases. This leads to expansion of the penile arteries and relaxation of the smooth muscle beneath the penile region leading to the enhance flow of the blood to the penis and retaining of the blood inside the penile region for the long periods, respectively so as to achieve and maintain a penile erection which is firm and long lasting.