Spanische fliege Sex drop is used to increase a woman’s sexual desire. This drop works in an excellent way to improve a woman’s libido. It increases the overall sexual desire and helps to achieve the ultimate pleasure. The libido enhancer works best when taken with some kind of drink like water or juice. These drops contain sugar (fructose) as well as melatonin which helps boost energy and sexual libido in women. It is flavorless, odorless, and colorless as well as easy to digest.