Almost all men can benefit from using malegra 25, one of the strongest and most efficient medications for treating erectile dysfunction in males. A component in this medication called Sildenafil Citrate aids in boosting blood flow to men's penile tissue. It aids in calming the penile body's muscles. This medication can be used either before or after meals. As directed by the physician, take this medication. This medication takes four to six hours to take effect.