While Supplies Last!Insane Labz Redrum – Murder Your Workout With AMPiberry! Muderous Pumps At The Gym! If Your Wanting To Murder Your Workout Try Redrum!Murder Your Workout With AMPiberry! Muderous Pumps At The Gym! If Your Wanting To Murder Your Workout Try Redrum! REDRUM by Insane Labz is one of the top stimulant pre workouts ever formulated. REDRUM combines the effects of Ampiberry and OxyGold with Agmatine Sulfate for an amazing ingredient delivery that could lead to murderous pumps in the gym. If you are wanting to MURDER your workout then you need to try REDRUM with our legendary vascularity enhancer Insane Veinz. So what is the strongest pre workout on the market? Well Insane Labz® manufactures the top 5 and REDRUM fits right in the mix. Note: Manufacturers continually change product specifications. While we try our best to keep product descriptions up to date, they do not necessarily reflect the latest information available from the manufacturer. We are not responsible for incorrect or outdated product descriptions and/or images.