Tribulus (Tribulus terrestris) is also called puncturevine and has traditionally been used in China and India for infertility and ED. Recently its use has increased as a way of improving sports performance. Prior claims that Tribulus increases serum testosterone has not been substantiated by recent studies. One group found that after 4 weeks of Tribulus supplements at 10 to 20 mg/kg body weight daily, testosterone was unaffected .
In rat studies, the administration of Tribulus extract heightened sexual behaviour and resulted in increased ICP. The authors claimed that this effect was due to increases in testosterone . For this reason, Tribulus is contraindicated in pregnant women and men with prostate cancer. It has also been found to be toxic in sheep, eventually leading to death , and there are reports of gynaecomastia in men taking Tribulus .
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A Beginner's Guide to Healthy Pregnancy. If you suspect, or know, that you are pregnant, we ho pe you have already visited your doctor. Presuming that you have confirmed your suspicions and that this is your first child, or that you wish to take better care of yourself d uring pregnancy than you did during your other pregnancies; you have come to the right place.