Impotence is a problem in which men are unable to achieve an erection during sexual activity. Impotence is also known as erectile dysfunction. Many pills for treating erectile dysfunction are available in the market as well as online stores, but it is very difficult to say how reliable they are. Whose cenforce 150 is the best tablet. A good result can be obtained by taking it once. The effect of this medicine is felt in 30-40 minutes.