- Chosen by Voters Caffeine is just a body and mind stimulator, makes you alerter, etc….And if your body and mind is stimulated…. you "can" have better sex, but it's not said that it is specific for sex, it's never been proved.Too be sexual stimulated, the men need testorone Source(s): http://en.wikipedia.org/wiki/Caffeine 5 years ago 100% 1 Vote