A Dietary Supplement Tribulus Desire: The herbal extract Tribulus terrestris has been used for centuries in Europe. Studies have indicated that it may help maintain erectile function in men, while in women, it may help enhance desire. Indeed, Tribulus is a modern legend, with a reputation as an impressive sexual tonic. Not an anabolic hormone, Tribulus is an all-natural herbal alternative without the side effects of steroids such as the suppression of luteinizing hormone, which can shut down your body"s production of testosterone. To the contrary, Tribulus has been shown to help increase testosterone, especially in those whose levels are low. Tribulus is without any clinically proven toxic effects. In addition to 250 mg of Tribulus, Tribulus Desire contains 8.33 mg of DHEA per serving.