PROSCIENCE TRIBULUS is a great natural choice for the active male to aid in vitality, muscle recovery, and strength. Tribulus is very well known when it comes to the improvement of natural testosterone levels and hormone regulation. Tribulus can also help support athletic performance levels. Tribulus is said to have a natural anabolic effect that will help boost endurance and muscle growth while inhibiting fat mass. This supplement will help increase the levels of testosterone in the body, which generates many benefits such as vitality, sexual energy, good mood, more effective muscle building, or even more restful sleep.