The effects of Tribulus terrestris on body composition and exercise performance in resistance-trained males.
The purpose of this study was to determine the effects of the herbal preparation Tribulus terrestris (tribulus) on body composition and exercise performance in resistance-trained males. Fifteen subjects were randomly assigned to a placebo or tribulus (3.21 mg per kg body weight daily) group. Body weight, body composition, maximal strength, dietary intake, and mood states were determined before and after an 8-week exercise (periodized resistance training) and supplementation period. There were no changes in body weight, percentage fat, total body water, dietary intake, or mood states in either group. Muscle endurance (determined by the maximal number of repetitions at 100-200% of body weight) increased for the bench and leg press exercises in the placebo group (p
International Journal of Sport Nutrition and Exercise Metabolism
Antonio, Jose; Uelmen, J.; Rodriguez, R.; and Earnest, C., "The effects of Tribulus terrestris on body composition and exercise performance in resistance-trained males." (2000). Department of Health and Human Performance Faculty Articles. 12.