USN B4 Bomb

• Explosive workout energy: Switch on fast and stay locked in with a clean, hard-hitting pre-workout boost.
• Bigger pumps and performance: High-dose L-Citrulline Malate helps drive blood flow for powerful sessions.
• Strength you can feel: Creatine Monohydrate supports power output for heavier lifts and better sets.
• Push past fatigue: Beta-alanine and B-vitamins support endurance so you can go longer, harder.
• Seriously tasty flavours: Enjoy crave-worthy options like Candy Pop and Hawaiian Pump.

USN B4-Bomb Extreme Pre-Workout 300g – Turn every session into your best session

Meet the pre-workout designed for lifters and athletes who demand more. USN B4-Bomb Extreme from the Hardcore Series fires up energy, focus and performance so you can walk into the gym ready to dominate. Whether you’re chasing new PBs, smashing a full-body circuit, or battling a late-night workout, this formula helps you bring intensity from the first rep to the final set.

Why B4-Bomb Extreme hits different

This punchy pre-workout combines proven performance drivers at meaningful amounts to deliver a complete training experience:

• 6,000 mg L-Citrulline Malate – Supports nitric oxide production for satisfying pumps and sustained performance.
• 3,400 mg Creatine Monohydrate – A staple for strength and power to help you move more weight, more efficiently.
• 2,000 mg Beta-Alanine – Helps buffer fatigue so you can squeeze out extra reps when it matters.
• 200 mg Natural Caffeine – Clean, reliable energy to sharpen focus without overdoing it.
• Niacin, Vitamin B6 & B12 – Support normal energy-yielding metabolism to keep you in the zone.

Smart focus blend for driven training

USN enhances the core with modern nootropic support including Zynamite, Rhodiola rosea extract, and Bacowize, chosen to support mental performance and resilience under pressure—ideal for heavy days, HIIT finishers, and long sessions alike.

Who is it for?

• Strength athletes and gym-goers chasing PBs and progressive overload
• HIIT, CrossFit and functional training fans who want intensity without compromise
• Endurance and field-sport athletes looking for reliable pre-session energy and focus

Tastes you’ll actually look forward to

Great flavour makes consistency easy. B4-Bomb Extreme comes in delicious options like Candy Pop and Hawaiian Pump (availability may vary).

Trusted performance from USN

• Brand: USN Hardcore Series
• Format: 300 g pre-workout powder
• Barcode (EAN): 6009544929741
• Launched: October 2020 formula

If you want a pre-workout that delivers pump, power, and pace in one, USN B4-Bomb Extreme is built to help you train harder and perform better—session after session.

Ingredients

Ingredients:

Per 15g serving: 54mg Niacin, 0.21mg Vitamin B6, 15µg Vitamin B12, 3400mg Creatine Monohydrate, 6000mg L-Citruline Malate, 2000mg Beta-alanine, 200mg Natural Caffeine, 150mg Bacowize, 100mg Zynamite, 100mg Rhodiola Rasea Extract, trisodium citrate, tripotassium citrate, silicon dioxide, calcium silicate, sucralose, acesulfame K, sodium chloride, and natural anhydrous caffeine.