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 45% steroidal saponins. Sensoril Ashwagandha and Rhodiola extracts are adaptogens that support endurance.* Andrograph extract contains andrographolides, which are substances that support immune function and counter physical stress.* Green Tea Extract (50% polyphenols) is added to support the strength of