AllMax Nutrition now provides you with the highest quality in 100% pure Bulgarian Species Tribulus Terrestris with TribX90. Laboratory tests have confirmed the extraordinary high levels of Steroidal Saponins at 90% using High Performance Liquid Chromatography (HPLC) testing. Scientific research has suggested that it may stimulate the body's production of luteinizing hormone which in turn promotes the production of Testosterone, the key male hormone responsible for helping to add lean body mass, increase metabolism and support healthy libido or sex drive levels. Studies on Tribulus are ongoing to this day. Athletes use Tribulus terrestris because of the purported effects of helping to insure their own natural levels of testosterone are supported, during times of heavy training. Tribulus continues to be used by some of the world's most elite athletes and has grown in popularity among recreational athletes as well. Popular among bodybuilders, Tribulus terrestris is the perfect complement to your hardcore training regimen.