A natural supplement that I can take to increase my libido/ drive/mood for intimacy?

It has to be something for a woman of course. With work, school, and kids sometimes I am not in the mood and it's hard to get me lubricated w/out . ANYTHING OTHER THAN KY JELLY OR ANOTHER LUBRICANT. I NEED SOMETHING TO WORK INTERNALLY W/MY BODY. PLEASE ONLY SERIOUS ANSWERS!!!!!!!