The best medicine for male impotence is Bigfun 100 . The effect of this medicine lasts for 4 to 6 hours. This medicine should be taken once in 24 hours. This medicine should be taken once in 24 hours. Because with higher doses, you will have side effects. The active ingredient of this medicine is Sildenafil Citrate, which is very useful to end this problem. It improves blood flow in the penile blood vessels and relaxes the blood vessels. You can easily buy this medicine online at Erectilepharma . This is a reliable site and here you will get the pills at a reasonable price with discounts.