An active ingredient called sildenafil citrate is found in kamgara jelly. Used to treat men suffering from erectile dysfunction. Do not take kamagra oral jelly one hour before sexual intercourse if you want to see the good effect of this medicine. The effect of this drug lasts for 4 to 6 hours. If you want to see the goodness of this medicine, if you want to change the dosage of this medicine, first consult a doctor.