Clinically Tested Testosterone Formula Bodybuilder"s most trusted and premier testosterone support is now 20% stronger! New groundbreaking research at the University of Tampa Human Performance Laboratory shows that Clinical Strength T-BOMB II may not only support total testosterone, it may also promote bioactive free testosterone!+ Clinical Strength T-BOMB II uses strong doses of powerful herbal extracts, an advanced five-step T-optimizing technology and a 2nd Messenger Complex to help support healthy testosterone levels - to help promote muscle building and performance.*