Fundamentals Superior Absorptions Key Natural Ingredients Powerful Formula Works Quickly Dietary Supplement Maximize Response Yohimbe extract comes from the bark of an evergreen tree native to western Africa. It has been used by men for centuries to help boost libido and improve sexual performance. This distinctive compound contains the potent alkaloid yohimbine, which has been clinically studied for its multitude of men's health benefits. 75mg of premium yohimbe bark extract yields a full 6 mg of yohimbine in every capsule, delivering what many believe to be an optimal dose of this standardized constituent. Combined with the Force Factor Fundamentals formula L-Arginine, Yohimbine will help you maximize physical response and take your performance to the next level. To help selenium, another traditional men's health ingredient, get to work quickly and reliably, BioPerine was additionally included for optimal bioavailability and absorption. Fundamental Stacking All of the Force Factor