Please add punctuation to this: Forzest is used to treat erection problems in men It is the only drug which is not only fast acting works in 30 minutes but is also know to be effective for as long as 36 hours thus enabling you to choose the moment that is just right for you as well as your partner

Punctuation version:
Forzest is used to treat erection problems in men. It is the only drug which is not only fast acting (works in 30 minutes) but is also know to be effective for as long as 36 hours, thus enabling you to choose the moment that is just right for you as well as your partner.