Mile High Max Muscle Denver and Littleton are excited to introduce the newest addition to our pre-workout arsenal - FBXXX! FBXXX delivers two times the amount of caffeine and 50% more creatine than traditional FBX. FBXXX is an ultra concentrated pre-workout formula designed to support energy, strength, power, and stamina. All three flavors of FBXXX arrive at Max Muscle Denver and Littleton on Friday, June 29th. Come pick up a sample and give it a test run.