Universal Nutrition Tribulus Pro contains a proprietary Tribulus blend that supports natural testosterone levels. Found natively in Bulgaria, the Tribulus herb contains some interesting phytochemicals, steroidal saponins, that can benefit any bodybuilder or competitive athlete. These steroidal saponins found in tribulus have been used by the world-class Bulgarian power lifting team for record lifts. In fact, studies performed in Europe found that tribulus use could increase testosterone's production by 30% or more in only five days. Researchers believe that the steroidal saponins in tribulus might have a stimulating effect on luteinizing hormone (LH), a gonad-stimulating hormone which can positively affect testosterone production. For every possible competitive edge, use Universal Nutrition Tribulus Pro.*

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