Tadora 20 is one such drug that can be used to treat erectile dysfunction in men. Tadalafil is used as the main ingredient in this medicine. You can also see Tadora 20 reviews from our store. This drug should be used one hour before sexual intercourse. The effect of this drug starts in 30 to 60 minutes. The duration of action of this drug is 4 to 6 hours. Visit our store erectilepharma.com.