| Summary: | The purpose of the present study is to evaluate anthropometric, biochemical, hormonal and performance differences among physically active individuals who utilize (or not) Tribulus terrestris (TT) supplementation. The cohort is composed of 32 subjects divided into two groups: 1) 8 males and 8 females individuals who are physically active and utilize Tribulus terrestres; 2) 8 males and 8 females individuals who are physically active and utilize placebo. Inclusion criteria for all subjects consisted of age requirement within the range of 18 and 40 years old, a history of at least 6 months of physical activity and absence of any drug treatment/consumption. Analysis of body composition, physical performance test and blood collection for subsequent hormonal and biochemical tests were collected. Data were processed and analyzed based on descriptive statistical tests and one-way-ANOVA. Results were considered statistically significant when p<0.05. Results show significant increase in testosterone levels for both females and males treated with TT, decreased levels of body fat among the treated women, increased libido for treated individuals and enhanced strength among treated women. Biochemical parameters among all groups were within normal limits.
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