Hold nothing back with this pre-workout from Black Magic – BZRK. This supplement has a combination of ingredients that will enhance muscle strength, mental focus and performance during your workouts. BZRK by Black Magic will give you the strength and endurance so you can smash out your PB’s for better progress. You will get through each and every set stronger than you started. This pre-workout will improve muscle size as you will be able to tolerate higher volume load.