Ageless Male Pro-T ZONE is our first-ever testosterone booster that adds powerful nootropics to help you rebuild T-levels while also feeling calm, focused, and in charge. Ageless Male Pro-T ZONE works by starting with KSM-66® to help elevate total testosterone while also reducing “the stress hormone,” cortisol. Meanwhile, a branded dicaffeine malate called Infinergy rapidly boosts your energy and concentration.