Testosterone is, without a doubt, the most coveted hormone for athletes involved in all sports. The reasons are numerous, but the most desirable attribute is increased protein synthesis as a result of allowing you to maintain a positive nitrogen balance. This means considerably quickly recovery from exercise, so you can work harder and recover more quickly for increased strength and muscle building. Libido contains 1000 mg of Tribulus Terrestris extract per serving. The active phytosterols, flavonoids, and glycosides can help maintain natural and healthy testosterone levels by increasing luteinizing hormone production, which regulates positive testosterone production.