L-Carnitine has been proven in multiple studies to increase endurance and prolong exhaustion. At the cellular level, L-Carnitine transports long chain fatty acids into the mitochondria, which helps fats convert into energy during a workout.
Bulgarian Tribulus is a non-cultivated, wild grown and organic herb, grown in the country of Bulgaria. The properties of the soil are such that Tribulus Terrestis grown there are 15x more active!