Jarrow Formulas Tribulus Complex is a blend of standardized Ayurvedic extracts used by athletes to enhance energy and post-exercise recuperation. Tribulus also known as puncture vine contains flavonoid glycosides and 45% steroidal saponins. Sensoril? Ashwagandha and Rhodiola extracts are adaptogens that support endurance. Andrograph extract contains 10% andrographolides which are substances that support immune function and counter physical stress. Green Tea Extract (40% polyphenols) is added to support the strength of capillaries and other blood vessels.*Other products from HerbsPro