Libido Enhancers are supplements that treat low libido or difficulty in having an orgasm or are not feeling sexually aroused. But before you start taking libido supplements, make sure you know the required dosage. The first thing to know is that there’s no magic pill that will naturally give you great sex. Vitamins for sex, libido supplements, or herbs are not going to provide instant orgasms or erections but help improve your libido and sex drive instead.