ULTRA-PUROS TRIBLE EXTRACTThe new 100% Platinum Tribulus with ultrapure tribulus extract is for individuals looking for a high quality tribulus product. Providing 650mg of pure Tribulus terrestris extract per serving, this formula is an excellent addition to your supplement pile. In addition, the tribulus used in Platinum 100% Tribulus is standardized to 90% saponins. That's twice as potent as other brands that are more often standardized to 40% to 45% saponins! STIMULANT FREEPlatinum 100% Tribulus is stimulant free, which means you can take it all day, between meals and with any other supplement.