Get stung by the latest addition to the Stacker2 hive of products. Yellow Hornet combines the raw power of Yohimbe with the added benefits and energy of Yerba Mate & Capsaicin. You’ve got a winning combination. Yellow Hornet is without a doubt the most potent boost of energy around! Check out what the buzz is about! Formulated with Yerba Mate, Capsaicin, and Yohimbe! Burn Fat! Boost Metabolism! Increase Energy Levels!