15% off £20

000000s
Code:SHOP
 

15% off £20

000000s

Code:SHOP

ClearanceOffersBuy one get one 1/2 priceSave up to 1/2 Price3 for 2 Mix & MatchOnline OnlyBuy 1 Get 1 FreeOutlet2 for £18 Mix & MatchPancake Day Flash Sale2 for £5 Mix & MatchIntroductory Offer2 for £60 Mix & MatchShort Dated2 for £2 Mix & MatchVitamins & SupplementsVitamins & Supplements Shop AllHair, Skin & NailsCollagen & SilicaMuscle Support & Joint PainDigestive HealthMagnesiumFunctional MushroomsVitaminsShop all VitaminsMultivitaminsVitamin AVitamin BVitamin CVitamin DVitamin EVitamin KVitamin DrinksMineralsShop all MineralsMagnesiumIronZincCalciumSeleniumChromiumSupplementsShop all SupplementsFibre SupplementsAcidophilus & Friendly BacteriaPeppermint OilGrapeseed ExtractLecithinCollagen & SilicaOmega & Fish OilsPlant Sourced SupplementsSuperfood SupplementsArnicaApple CiderRaspberry KetonesAloe VeraChondroitin & MSMCo Enzyme Q10Evening Primrose OilGarlicGinkgo BilobaGlucosamineGlucomannanSeaweed, Kelps and Aquaceuticals5 HTPDigestive EnzymesSaw palmettoCharcoalConditionShop all ConditionCholesterolAllergy & Hay Fever CareAnxiety SupportBone & Muscle HealthMuscle Support & Joint PainBrain & Memory SupportWomen's HealthMen's HealthChildren's HealthCold & Immune SupportFatigueDigestive HealthHair, Skin & NailsHeart & CirculationLiver CareMood SupportSexual HealthSleep & RelaxationStress ReliefVisionWomen's HealthShop all Women's HealthPerimenopauseMenopauseMenstrual SupportUrinary Tract HealthPregnancy & ConceptionMen's HealthShop all Men's HealthProstate HealthChildren's HealthCBD Vitamins & SupplementsShop all CBD Vitamins & SupplementsCBD OilCBD CapsulesCBD SprayCBD GummiesHerbal & Licensed RemediesShop all Herbal & Licensed RemediesRescue RemedyAshwagandhaMilk ThistleGinseng & GuaranaHomeopathic & Flower RemediesShop all Homeopathic & Flower RemediesRescue RemedyTissue SaltsFlower RemediesHomeopathic RemediesAt-Home TestsVegan Vitamins & SupplementsHolland & BarrettVitabioticsSolgarNew NordicWeledaBioglanGrass & Co.Nature's WayBetterYouNatures Aid3 for 2 Mix & MatchBuy one get one 1/2 priceSave up to 1/2 PriceOnline OnlyBuy 1 Get 1 FreeOutletShort DatedDairy FreeGluten FreeSesame Seed FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeFish FreeKiwi FreeLupin FreeNew inFood & DrinkFood & Drink Shop AllPancake DayEasterComic ReliefVegan FoodShop all Vegan FoodMeat-Free AlternativesDairy Free DrinksEgg SubstitutesVegan ProteinVegan Protein BarsDried Fruit, Nuts & SeedsShop all Dried Fruit, Nuts & SeedsDried FruitNutsSeedsMixesChocolate CoatedTeas, Coffee & Hot BeveragesShop all Teas, Coffee & Hot BeveragesCoffee & Coffee SubstitutesMushroom DrinksHot ChocolateTeasSuperfood TeasMatcha & Green TeaHerbal TeaPeppermint TeaSleep & RelaxationSlimming TeaWomen's Health TeasDrinks & JuicesShop all Drinks & JuicesMultipack DrinksJuices & Health ShotsNatural Energy DrinksCoconut WaterKombuchaCBD DrinksSoft DrinksWaterAlcohol Free DrinksProtein ShakesSuperfoodsShop all SuperfoodsSuperfood BlendsSupergreensMoringa PowderSpirulinaMaca PowderFlaxseedBaobabChia SeedsGoji BerriesGut HealthHealthier SnackingShop all Healthier SnackingSweet SnacksSavoury SnacksLow Calorie SnacksChocolateCrisps & ChipsCrackers & CrispbreadsBiscuits & CookiesSnack BarsFlapjacksLiquoricePopcornSweets & MintsChocolate Coated SnacksFood CupboardShop all Food CupboardApple Cider VinegarCondiments & SaucesMeat-Free AlternativesSoup & Ready MealsRice, Pasta, Pulses & GrainsGravy, Broths & StockHoney, Jams & SpreadsShop all Honey, Jams & SpreadsManuka HoneyHoneyNut ButtersJams & ChutneysSyrupsSpreadsPateBreakfast CerealsShop all Breakfast CerealsCereals, Bran & FlakesGranolaMuesliOats & PorridgeBreakfast BarsCookingShop all CookingCooking IngredientsApple Cider VinegarCondiments & SaucesMeat-Free AlternativesSoup & Ready MealsRice, Pasta, Pulses & GrainsTinned FoodsHerbs, Spices & SeasoningGravy, Broths & StockHome BakingShop all Home BakingBaking IngredientsBaking MixesBreadFlourSweeteners & Sugar AlternativesEgg SubstitutesDairy Free DrinksShop all Dairy Free DrinksOat, Rice & Hemp DrinksSoya DrinksNut DrinksCoconut DrinksDesserts & CreamsNutritionally Complete FoodCoconutHolland & BarrettNaturyaGrenadeTwiningsPukkaHeath & HeatherNakdPerfectTedRhealMeridianBuy one get one 1/2 priceSave up to 1/2 Price3 for 2 Mix & MatchBuy 1 Get 1 FreeOnline OnlyPancake Day Flash Sale2 for £5 Mix & Match2 for £2 Mix & MatchGluten FreeDairy FreeWheat FreeSugar FreeEgg FreeMilk FreeSoya FreeNut FreeSesame Seed FreeCelery FreeNew inSports NutritionSports Nutrition Shop AllProteinShop all ProteinWhey ProteinClear ProteinMass GainersVegan ProteinDiet ProteinCaseinSports SupplementsShop all Sports SupplementsTestosteroneElectrolytesEnergy GelsSports CollagenCreatineShop all CreatineCreatine PowderCreatine CapsulesBars, Drinks & SnacksShop all Bars, Drinks & SnacksEnergy BarsProtein BarsProtein ShakesProtein SnacksNutritionally Complete FoodMeal Replacement ShakesPre Workout & EnergyShop all Pre Workout & EnergyPre WorkoutCaffeine Free Pre WorkoutAmino Energy PowdersIntra WorkoutPost WorkoutKetoAmino AcidsShop all Amino AcidsAmino Energy PowdersBCAAL-LysineGlutamineCarnitineArginineVegan Sports NutritionShop all Vegan Sports NutritionVegan ProteinVegan Protein BarsVegan Pre Workout & EnergyVegan Amino AcidsVegan CreatineSports AccessoriesShop all Sports AccessoriesBottles & ShakersFitness EquipmentOptimum NutritionPrecision EngineeredUSNApplied NutritionMyproteinGrenadePhDHuelTriActiveSiSSave up to 1/2 PriceBuy one get one 1/2 priceOnline Only2 for £60 Mix & MatchBuy 1 Get 1 FreePancake Day Flash Sale2 for £64 Mix & MatchFree Creatine Capsules when you buy a Precision Engineered GainerGluten FreeDairy FreeSugar FreePalm Oil FreeSoya FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeFish FreeNew inBeautyNatural Beauty Shop AllSkincareShop all SkincarePremium SkincareFace CareBody CareSun CareTanning & BronzingEye CareLip CareFoot CareHand & Nail CareSkin AilmentsSkin OilsCBD BeautyFace CareShop all Face CareCleanser & TonerFace MoisturiserFace Oil & SerumFace WashFace Exfoliators & ScrubsFace MasksHair CareShop all Hair CareShampoo & ConditionerHair ColouringHair MasksHair Oil & SerumHair Spray, Gel & MousseHair AccessoriesWashing & BathingShop all Washing & BathingShampoo & ConditionerBathing AccessoriesFeminine CareShower Gel & Body WashDeodorantDentalHand WashSoapBath Soak & OilBody ScrubBath Bombs & SaltsIncontinence SupportAromatherapy & HomeShop all Aromatherapy & HomePure Essential OilsBlended Essential OilsBase & Carrier OilsHolisticMother & BabyShop all Mother & BabyBaby Skincare & ToiletriesElectrical WellnessDr OrganicFaith in NatureWeledaNaturtintTisserandMiaromaSukinQ+ATrilogyChilds FarmBuy one get one 1/2 priceSave up to 1/2 PriceBuy 1 Get 1 Free2 for £18 Mix & MatchOnline OnlyOutlet3 for 2 Mix & MatchIntroductory OfferAlcohol FreeParfum FreeFluoride freePalm Oil FreeGluten FreeCelery FreeCereal FreeCrustaceans FreeDairy FreeEgg FreeNew inWeight ManagementWeight Management Shop AllFat Burners, Binders & Appetite SuppressantsShop all Fat Burners, Binders & Appetite SuppressantsFat BurnersFat BindersAppetite SuppressantsSlimming TabletsWeight Management Shakes Shop all Weight Management Shakes Meal Replacement ShakesDiet ProteinDiet Food & DrinkShop all Diet Food & DrinkSlimming TeasHealthier CookingLow Calorie SnacksFruit, Nuts & SeedsJuices & Health ShotsApple Cider VinegarExercise SupportShop all Exercise SupportFitness EquipmentMeal Replacement ShakesDiet ProteinProtein BarsHolland & BarrettUSNTrekEat WaterIdeal HealthNudie SnacksBraggGrenadeNatures AidNew NordicBuy one get one 1/2 priceSave up to 1/2 Price3 for 2 Mix & MatchBuy 1 Get 1 FreeOnline OnlyOutletGluten FreeSugar FreeWheat FreeDairy FreeCelery FreeCrustaceans FreeEgg FreeFish FreeKiwi FreeLupin FreeNew inHealth & WellnessShop all Health & WellnessEnergyJoints Bones & MusclesGut HealthHair Skin & NailsStress AnxietySleep & RelaxationHolland & BarrettVitabioticsNaturtintWeledaSolgarOptimum NutritionDr OrganicApplied NutritionBetterYouWildBuy one get one 1/2 price3 for 2 Mix & MatchSave up to 1/2 PriceOnline OnlyBuy 1 Get 1 Free2 for £18 Mix & MatchOutlet2 for £2 Mix & MatchDairy FreeGluten FreeSugar FreeAlcohol FreeWheat FreeSoya FreeSesame Seed FreeCelery FreeCereal FreeCrustaceans FreeNew inNew InBest SellersTrendingMedicines and HealthcareVeganShop for your WellnessGut HealthImmunityEnergySkincareWomen's HealthMenstrual HealthMenopauseJoints, Bones & MusclesHair, Skin & NailsSleep & RelaxationFood & DietChildren's HealthStress ReliefHealthy HeartLow Mood & DepressionConcentration & AlertnessEye HealthSexual HealthLearn about WellnessJoints, Bones & MusclesEnergyWomen's HealthPeriods & Cycle HealthMenopauseImmunityGut HealthFood & DietSports & FitnessSleep & RelaxationHair Skin & NailsArticlesAll articlesHealthFood & nutritionGut healthImmunityJoints, bones & musclesWomen's healthWellnessHair & skinMental wellbeingSeasonalSleep & relaxationSports nutritionRecipesAll recipesGluten freeLow sugarVeganDairy freePodcast

Mix & match on over 1000 wellness favourites

Mix & match on over 1000 products

Shop offer

Shop offer
Shop offer
Shop all USN 

USN B4 Bomb Pre-Workout Hawaiian Pump 300g

Sports

Explosive energy and focus

Break through your plateau

Unlock ultimate performance

  • Vegan icon

    Vegan

  • Vegetarian icon

    Vegetarian

USN B4 Bomb Pre-Workout Hawaiian Pump 300g

£28.00

Shop all Energy & Endurance
18+
18+

USN B4 Bomb Hawaiian Pump 300g


  • PER CONTAINER
    40 SCOOPS
  • PER SERVING
    200 mg CAFFEINE
  • Experience Explosive Energy

ALL-IN-ONE EXTREME PRE-WORKOUT

Fully Dosed, High Stim
Focus2 & Performance3
Power4 & Endurance3


1 Vitamin B6 and B12 contribute to normal energy-yielding metabolism.
2 Caffeine helps to increase alertness and concentration.
3 Caffeine contributes to an increase in endurance performance.
4 Creatine increases physical performance in successive bursts of short-term, high-intensity exercise.

USN (UK) LTD Seven House, High Street, Longbridge, Birmingham, B31 2UQ. USN SUPPLEMENTS LTD Commercial House, Millbank Business Park, Lucan, Dublin, K78 X5W6

Full ingredients

INGREDIENTS: L-citrulline-DL-malate (2:1), creatine monohydrate, beta-alanine, acidity regulators (trisodium citrate, tripotassium citrate), anti-caking agents (calcium silicate, silicon dioxide), natural flavour,
sodium chloride,sweeteners (acesulfame K, sucralose), natural anhydrous caffeine, Bacowize® bacopa extract (20:1) (Bacopa monnieri) (20% bacosides), Zynamite® mango extract (Mangifera indica L.) (60%
mangiferin), rhodiola rosea extract (Sedum roseum), colour (beta-carotene), vitamin B3 (nicotinic acid), vitamin B6 (pyridoxine HCl), vitamin B12 (methylcobalamin).

Always read the label before use

Serving Size: 2 Scoop (15g)
Energy 11Kj / 3Kcal
Carbohydrates 0.05g
of which sugars 0.02g
Salt 0.64g
Niacin 54mg
Vitamin B6 0.21mg
Vitamin B12 15ug
Creatine Monohydrate 3400mg
Of which Creatine 3000mg
L-citrulline Malate 6000mg
Of which L-Citrulline 4101mg
Beta-Alanine 2000mg
Natural Caffeine 200mg
Bacowize 150mg
Zynamite 100mg
Rhodiola Rosea Extract 100mg

Advisory Information:

WARNING: Contains caffeine (200mg/15g). For adults only, 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). As with all supplementation, please consult your physician first (especially if you have a medical condition and or are using medication). Do not exceed 2 servings per day. Ensure an adequate state of hydration is maintained. Food supplements should not substitute a varied diet. Suitable for vegetarians and vegans.

Remember To:

We go to great efforts to ensure that the information on this page is accurate at the time that the page was last edited. As we are constantly reviewing and developing our products to meet our consumer needs, consumers, particularly those that suffer from allergies and intolerances, should always check product labelling, warnings, and directions provided with the product that is delivered, prior to use or consumption.

Directions:

STORE IN A COOL, DRY PLACE. KEEP OUT OF REACH OF YOUNG CHILDREN. CONSUME WITHIN 1 MONTH OF OPENING. BATCH NUMBER, BEST BEFORE END DATE: SEE BASE OF CONTAINER.

Customer reviews below are moderated for offensive content only. They are not medical advice, should not be relied upon, and are not endorsed by Holland & Barrett. For health issues or product suitability, consult a health professional. Products are not medicinal unless stated otherwise. Find out more

Compare similar products

Product name

Price

Rating

Flavour

Suitable for

This product

USN B4 Bomb Pre-Workout Hawaiian Pump 300g
Price

£28.00

£9.33/100 g

Rating

No reviews yet

Flavour

Hawaiian Pump

Suitable for

Vegan, Vegetarian

Ingredients

Compare products

Select up to 3 similar products to compare

Our promise

We go to great efforts to ensure that the information on this page is accurate at the time that the page was last edited. As we are constantly reviewing and developing our products to meet our consumer needs, consumers, particularly those that suffer from allergies and intolerances, should always check product labelling, warnings, and directions provided with the product that is delivered, prior to use or consumption.

Sign up for exclusive offers
Plus, get expert advice to support your health & wellness straight to your inbox when you sign up to Holland & Barrett emails.