Hollow Labs Berserker Stim Pre Workout

Berserker Stim™ was formulated for lifters and competitors who demand maximum drive, cell-swelling pumps, and locked-in focus—every session, no excuses. One full 2-scoop serving (40.4 g) delivers the clinical doses you need to push harder, last longer, and recover faster between sets

What You’ll Feel

• Explosive Energy – hits fast, then tapers smoothly for the entire workout.
• Massive Pumps – 10 g citrulline + arginine opens the floodgates for vein-popping circulation.
• Endurance That Doesn’t Quit – carbs, beta-alanine, and taurine keep muscles firing when others gas out.
• Laser Focus – high tyrosine plus dual-phase caffeine clears mental clutter.
• Hydrated Power – electrolyte blend fights fatigue and maintains contractile strength.