MUSCLE JACK^TM is the first prohormone formula to harness the power of Longifolia, the potent herbal demonstrated to increase testosterone levels and muscle growth even in castrated rats! MUSCLE JACK also uses Tribulus, itself shown to enhance testosterone levels. We go further, employing 3,5,4-trihydroxystilbene to fight estrogen at the receptor site level.

What Does It Do?

-Increases Androgenic activity 20%!
-More Muscle & More Testosterone
-Does not shut down natural testosterone.
-Increased Workout Intensity
-Enhanced Libido
-Combats Fatigue, Increases Energy & Stamina
-Improves Blood Circulation
-Potent Antioxidant
-Increases & Stimulates Sexual Drive
-Avoid Side Effects

And Also

Anti Estrogen
Not Banned