Dietary Supplement Get stung by the latest addition to the Stacker 2® hive of products. Yellow Hornet™ combines the raw power of Yohimbe, and Kola Nut with the added benefits and energy of Yerba Mate & Capsaicin. When coupled with Guarana, Yellow Hornet™ may help in alleviating mental exertion. You ve got a winning combination. Yellow Hornet™ is without a double the most potent boost of energy around! †These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.