Effect Of Oral Administration Of Tribulus Terrestris Extract On Semen Quality And Body Fat Index Of Infertile Men

Effect None
Values (mUI ml⁻¹) Friedman test applied to difference from baseline (8.27), at 28 (8.34) and 84 days (8.28).
Trial Design Non-controlled trial
Trial Length 1-6 months
Number of Subjects 65
Sex Male
Age Range 18-29, 30-44, 45-64
Notes for this study:
65 infertile men took 750 mg/d of Tribulus in 3 divided doses for 12 weeks. There was a significant increase in sperm concentration, motility, and semen liquefaction time while no significant difference was seen for morphology or ejaculate volume. There was a significant increase in lean tissue and a reduction in body fat percentage. Serum DHT increased significantly but none of the other hormones did.