Forzest 20 mg is a medication used to treat erectile dysfunction (ED). The active ingredient in Forzest 20 mg is tadalafil. Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor, which means it works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain erections.

In summary, the key ingredient in Forzest 20 mg is:
Tadalafil: It is the active ingredient responsible for the medication's effects on erectile function.
It's important to note that Forzest 20 mg tablets hould be taken under the supervision of a healthcare provider, and you should follow their instructions for proper use. If you have any questions about the medication, its ingredients, or its use, it's best to consult a healthcare professional.