Sildenafil acts as the active ingredient in Kamagra 100 Mg. Kamagra 100mg is taken one hour before intercourse, after which the effect lasts for 36 hours. Kamagra 100 tablets are the best pills to solve the problem of impotence. Kamagra 100 Mg tablets are used by millions of people around the world. Kamagra 100mg is the ED most used. It is only used by men for ED.