Forzest 20 Mg is a medication primarily used for the treatment of erectile dysfunction (ED) in men. It contains the active ingredient tadalafil, which is a phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil works by increasing blood flow to the penis during sexual stimulation, which helps men achieve and maintain an erection. Forzest 20 Mg contains tadalafil as its active ingredient. Tadalafil works by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which regulates blood flow in the penis. By blocking PDE5, tadalafil helps relax the blood vessels in the penis, allowing for increased blood flow and erection.