Sildenafil acts as the active ingredient in the drug Malegra. When male sexual arousal arises. Malegra tablets are the best tablets of ED. Malegra is taken some time before intercourse, after which the effect lasts for 4-5 hours. If you are suffering from other ED pills, you must consult a doctor before taking Malegra. Malegra is also found in different strengths. Malegra is ED's most popular drug.