B4 Bomb pre-workout


USN - B4 Bomb pre-workout - blue razz | 300 gram - Thumbnail
USN - B4 Bomb pre-workout - Orange | 300 gram - Thumbnail
USN - B4 Bomb pre-workout - Cherry | 300 gram - Thumbnail
USN - B4 Bomb pre-workout - blue razz | 300 gram
USN - B4 Bomb pre-workout - Orange | 300 gram
USN - B4 Bomb pre-workout - Cherry | 300 gram

B4 BOMB is USN's explosive maximum potency pre-workout formulated to maximize your training sessions and help you reach your goals. With science-based nutrition technology - experience the perfect addition to your workouts.

Maximum potency, high stim pre-workout
Pump stimulant formula
Increase energy focus and concentration

Temporarily sold out


The USN B4-Bomb, a powerful Hardcore Series supplement, contains premium ingredients with optimal doses to push your limits, break sessions and reach your goals.


Take 30 minutes before a workout to give you the energy and support you need.


With a maximum dose of caffeine, alertness is increased in addition to concentration, while contributing to endurance and capacity.

Nutritional value

Serving size 15g
Per 100 g Per portion
Energy (kJ) 58 kJ 9 kJ
Energy (kcal) 14 kcal 2 kcal
Fat 0.0g 0.0g
of which saturated 0.0g 0.0g
Carbohydrates 3.3 g 0.5 g
of what sugars 1.1 g 0.2g
Fiber 0.0g 0.0g
Protein 0.0g 0.0g
salt 0.02 g 0.00g
* Reference intake of average adult (2000kcal / 8400KJ)
The nutritional information is based on one flavor variant, when choosing an alternative flavor the nutritional values may vary slightly.
Per 15 g % RI
Niacin 10 mg 63%
Riboflavin 1 mg 71%
Vitamin B6 0.22 mg 16%
Vitamin b12 15 µg 599%
Biotin 10 µg 21%
Calcium 209 mg 26%
L-Citrulline 6825 mg
Beta Alanine 1500 mg
Aspartic Acid 1414 mg
Creatine monohydrate 1000 mg
N-acetyl-L-tyrosine 300 mg
Caffeine 200 mg
Zynamite® [Mango extract (60% mangiferin) 200 mg
AstraGin ™ 31 mg
EnXtra ™ 26 mg

L-Citrulline, D-Aspartic Acid, Beta Alanine, Creatine Monohydrate, Acids (Citric Acid, Malic Acid), Acidity Regulator (Dipotassium Phosphate), Anti-Caking Agents (Silicon Dioxide, Calcium Silicate), Thickener (Polydextrose), Flavor, N-Acetyl-L-Tyrosine, Natural Anhydrous caffeine, Zynamite® (Mango extract from Mangifera indica leaves (60% mangiferin), Stabilizer (Potassium chloride), Sweeteners (Acesulfame K, Sucralose), AstraGin ™ (Extracts from Panax ginseng and Astragalus membranaceous roots), EnXtra ™ (extract from Alpinia galanga roots), nicotinic acid, color (Allura red ^^), riboflavin, pyridoxine HCl, methylcobalamin hydrate, D-biotin


Mix 2 scoops (15 g) with 300 ml of water. Hardcore trainers can take 4 scoops with 500-600 ml of water as two servings.

B4 Bomb pre-workout


Your shopping bar is empty.


Your wishlist is empty.