Studies related to Free Testosterone and Tribulus terrestris

Prospective Analysis On The Effect Of Botanical Medicine (Tribulus Terrestris) On Serum Testosterone Level And Semen Parameters In Males With Unexplained Infertility

Effect Increase
Values (ng/mL) 9.3 pre, 9.45 post. P=0.075
Trial Design Non-controlled trial
Trial Length 1-6 months
Number of Subjects 30
Sex Male
Age Range 30-44, 45-64
Notes for this study:
30 men with infertility took 750 mg of a Tribulus extract daily in 3 divided doses for 3 months. There were no significant differences between baseline and follow-up for serum testosterone, free testosterone, luteinizing hormone, sperm concentration, motility, or abnormal forms.

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