In Brazil, Maca also has a traditional history of use as a libido enhancer. Human clinical research at the Institute of Sexology in France has validated Maca’s traditional use to support erections. Likewise, Euracoma longifolia has been traditionally used for these purposes in Malaysia, and scientifically verified to enhance sexual motivation in animal research. An analysis of the content of Black Diamond truffle reveals naturally occurring androgens - all of which certainly have the potential to promote sexual performance.