... and impotence, kidney disease and gravel, dise Name: Tribulus Terrestris Extract Powder Latin Name: Tribulus terrestris, Tribulus lanuginosus, Tribulus aeylanicus zygophyllaceae ... lacking. At this time, Supplement watch does not view tribulus extract ( on its own) as a valuable dietary supplement for muscle ... in the normal range (overtrained athletes and dieters) Tribulus Terrestris Extract