Forza-T from Instone:

Maximize Your Natural Testosterone Levels And Stop Estrogen!

Scientifically designed combination of 6-OXO, Tribulus, and ZMA to kick-start your body's own production of testosterone. Forza-T is the only product to combine these three distinct mechanisms for maximum testosterone boost. This formula has been shown to be a potent inhibitor of the aromotase enzyme to naturally decrease estrogen levels and is clinically tested and shown to increase free-testosterone levels by up to 226%, the active and unbound form of testosterone that can truly make the difference in performance. These key compounds are well documented in research for ability to maximize testosterone levels well above normal.