USN B4 Bomb Pre-Workout Blue Raspberry - 300g

300 G | £8.33 per 100G

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USN B4 Bomb Pre-Workout Blue Raspberry - 300g

  • 20 servings per container
  • 11.6g B4 bomb blend per serving

Explosive workouts + energy + stamina

How to use

Mix 2 scoops with 250-300ml of water. Take 30 minutes before training.

Hardcore trainers can take 4 scoops with 500-600ml water, once tolerance has been achieved.

WARNING: Do NOT exceed 2 servings per day.

The ingredients used to formulate this product are not sports banned substances. professional athletes should refer to the usn website for more information on prohibited substances in sport

Hazards and Cautions

Food Supplements are intended to supplement the diet and should not be substituted for a varied diet or healthy lifestyle.

While every care has been taken to ensure this information is always as accurate as possible, food products are regularly improved and nutrition content may occasionally change. As a result we recommend that you always read the label carefully before using or consuming any products. Nutritional Reference Value (NRV) information is based on the typical composition of the product. Guideline daily amounts are those for a typical adult (men and women).NRV information for non Boots products is calculated by the manufacturer. Boots has no control over the recipe or nutritional content of such products and information on this site may differ to that given on the product label. We would therefore recommend you do not solely rely on this information and always read the product label. If you have any queries, or you would like advice on Boots products please contact our friendly Customer care team on 0345 609 0055.

This information was last updated  21/05/2020

For Adults use only. Consult doctor before taking, if taking medication or with medical condition. Not suitable for pregnant or breastfeeding women

Do not exceed the stated dose.

Do not use if seal is broken.

During pregnancy and breastfeeding or if trying to become pregnant, please consult with your pharmacist or doctor before taking this product.


Store in a cool, dry place.
Keep out of the sight and reach of children.

Important info

Country of Origin: UK

Manufacturers Address: USN (UK) LTD, Seven House, High Street, Longbridge, Birmingham, B31 2UQ


L-citrulline, D-aspartic acid, Beta-alanine, Creatine monohydrate, Acids (Citric acid, Malic acid), Anti-caking agents (Silicon dioxide, Calcium silicate), Acidity regulator (Dipotassium phosphate), Flavouring, N-acetyl-L-tyrosine, Natural anhydrous caffeine, Zynamite® (Mango extract from leaves of Mangifera indica (60% mangiferin), Stabiliser (Potassium chloride), Sweeteners (Acesulfame K, Sucralose), AstraGin™ (Extracts from roots of Panax ginseng and Astragalus membranaceous), Thickener (Polydextrose), EnXtra™ (Extract from roots of Alpinia galanga), Nicotinic acid, Colour (Brilliant blue FCF), Riboflavin, Pyridoxine HCl, Methyl cobalamin hydrate, D-biotin.

Allergen Warning: Made in a facility that also processes milk, soy, egg, peanuts, tree nuts, fish/crustaceans/shellfish oils, and wheat products.

WARNING: Contains caffeine (200mg/15g). Not recommended for children, pregnant or breastfeeding women. do not exceed 400mg caffeine per day from all sources (200mg/day for pregnant or breastfeeding women). Do not exceed 2 servings per day. Ensure an adequate state of hydration is maintained. Enjoy as part of a balanced diet and healthy lifestyle.

Per 100g Per 15g *%RI





Carbohydrate 4.2g 0.0g
of which sugars 0.1g 0.0g
Vitamins and minerals
Niacin 10mg 63
Riboflavin 1mg 71
Vitamin B6 0.2mg 14
Vitamin B12 15ug 592
Biotin 10ug 21
Calcium 214mg 27
B4 Bomb Blend
L-citrulline 7000mg
Beta-alanine 1500mg
Aspartic acid 1400mg
Creatine monohydrate 1000mg
N-acetyl-L-tyrosine 300mg
Caffeine 200mg
Zynamite [mango extract] 200mg
AstraGin (Panax ginseng and Astragalus membranaceous extracts) 31mg
EnXtra [Aplinia galanga extract (10:1)] 26mg

*Reference intake of average adult (8400kJ/ 2000kcal) more less

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