15% off €25

Code:DEAL
Vitamins & SupplementsCBDCollagen & SilicaHair, Skin & NailsShop all Hair, Skin & NailsHair GrowthFunctional 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 OilGarlicGlucosamineGlucomannanSeaweed, Kelps and AquaceuticalsDigestive EnzymesCharcoalWomen's HealthShop all Women's HealthMenopauseMenstrual SupportUrinary Tract HealthPregnancy & ConceptionMen's HealthShop all Men's HealthProstate HealthChildren's HealthConditionShop 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 ReliefVisionHerbal & Licensed RemediesShop all Herbal & Licensed RemediesRescue RemedyAshwagandhaMilk ThistleGinseng & GuaranaHomeopathic & Flower RemediesShop all Homeopathic & Flower RemediesRescue RemedyVegan Vitamins & SupplementsHolland & BarrettVitabioticsNovominsSolgarNew NordicBetterYouBioglanNatures AidWild NutritionDAME3 for 2 Mix & MatchBuy one get one 1/2 priceSave up to 1/2 PriceBuy 1 Get 1 FreeOutlet3 for €18Short Dated August 2025Short Dated July 2025Dairy FreeGluten FreeSugar FreeSoya FreeAlcohol FreeSesame Seed FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeLion's Mane MushroomApple Cider VinegarReishi MushroomChaga MushroomCollagenCastor OilShiitake MushroomVitamin EAloe VeraMaitake MushroomNew inFood & DrinkVegan Food & DrinkDried Fruit, Nuts & SeedsShop all Dried Fruit, Nuts & SeedsDried FruitNutsSeedsMixesChocolate CoatedManuka HoneyTeas, Coffee & Hot BeveragesShop all Teas, Coffee & Hot BeveragesCoffee & Coffee SubstituteMushroom DrinksTeasMatcha & Green TeaSleep & Relaxation TeaSlimming TeaWomen's Health TeasDrinks & JuicesShop all Drinks & JuicesMultipack DrinksProtein ShakesJuices & Health ShotsNatural Energy DrinksKombuchaSoft DrinksWaterAlcohol Free DrinksKefirSuperfoodsShop all SuperfoodsSuperfood PowdersMoringa PowderSpirulinaGoji BerriesBaobabChia SeedsHealthier SnackingShop all Healthier SnackingProtein BarsLow Calorie SnacksChocolate, Cakes & BiscuitsSavoury SnacksSweet SnacksSnack BarsCrisps & ChipsFlapjacksPopcornFood CupboardShop all Food CupboardCondiments & SaucesApple Cider VinegarSuperfoodsBreakfast CerealsHoney, Jams & SpreadsTinned FoodsRice, Pasta, Pulses & GrainsHoney, Jams & SpreadsShop all Honey, Jams & SpreadsManuka HoneyHoneyNut ButtersJams & ChutneysSpreadsPateBreakfast CerealsShop all Breakfast CerealsCereals, Bran & FlakesGranolaMuesliOats & PorridgeBreakfast BarsCookingShop all CookingCooking IngredientsApple Cider VinegarCondiments & SaucesSoya & Meat AlternativeSoup & Ready MealsRice, Pasta, Pulses & GrainsHerbs, Spices & SeasoningGravy & StockHome BakingShop all Home BakingBaking MixesBreadFlourSweeteners & Sugar AlternativesEgg SubstitutesDairy AlternativesShop all Dairy AlternativesOat, Rice & Hemp DrinksSoya DrinksNut DrinksCoconut DrinksNutritionally Complete FoodHolland & BarrettNaturyaGrenadeNakdPukkaHeath & HeatherManuka DoctorPerfectTedEgmont HoneyTREKBuy one get one 1/2 priceSave up to 1/2 Price3 for 2 Mix & MatchBuy 1 Get 1 Free2 for €6OutletIntro Offer3 for €18Gluten FreeDairy FreeWheat FreeSugar FreeEgg FreeMilk FreeNut FreeSesame Seed FreeSoya FreeCelery FreeApple Cider VinegarLion's Mane MushroomReishi MushroomChaga MushroomNew inSports NutritionProteinShop all ProteinClear ProteinProtein VeganMeal ReplacementsWhey ProteinMass GainersDiet ProteinCaseinSports SupplementsShop all Sports SupplementsSports CollagenBars, Drinks & SnacksShop all Bars, Drinks & SnacksEnergy BarsProtein BarsProtein ShakesProtein SnacksNutritionally Complete FoodMeal Replacement ShakesPre Workout & EnergyShop all Pre Workout & EnergyPre WorkoutAmino Energy PowdersIntra WorkoutKetoPost WorkoutAmino AcidsShop all Amino AcidsBCAAArginineCreatineShop all CreatineCreatine PowderRehydrationShop all RehydrationElectrolytesEnergy GelsVegan Sports NutritionShop all Vegan Sports NutritionVegan ProteinVegan Protein BarsVegan Pre Workout & EnergyVegan Amino AcidsVegan CreatineSports AccessoriesShop all Sports AccessoriesBottles & ShakersFitness GoalShop all Fitness GoalRecoveryMuscle & StrengthLean MuscleEnergy & EnduranceDiet & Weight LossKetoHolland & BarrettOptimum NutritionPrecision EngineeredApplied NutritionMyproteinGrenadeUSNNakdTriActiveSiSSave up to 1/2 PriceBuy one get one 1/2 price3 for 2 Mix & MatchBuy 1 Get 1 FreeOutletIntro OfferShort Dated August 2025Gluten FreeDairy FreeSugar FreeWheat FreeEgg FreePalm Oil FreeMilk FreeSoya FreeSesame Seed FreeCelery FreeVitamin ENew inBeautyAromatherapy & HomeShop all Aromatherapy & HomePure Essential OilsBlended Essential OilsBase & Carrier OilsHolisticSkincareShop all SkincarePremium SkincareFace CareBody CareSun CareTanning & BronzingEye CareLip CareFoot CareHand & Nail CareCBD BeautyWashing & BathingShop all Washing & BathingShampoo & ConditionerBathing AccessoriesShower Gel & Body WashDeodorantDentalHand WashSoapBath Soak & OilBody ScrubBath Bombs & SaltsFeminine CareIncontinence SupportHair CareShop all Hair CareShampoo & ConditionerHair ColouringHair MasksHair Oil & SerumHair Spray, Gel & MousseHair AccessoriesMother & BabyShop all Mother & BabyBaby Skincare & ToiletriesMakeupDr OrganicFaith in NatureNaturtintWeledaTisserandQ+AMiaromaTrilogyWildChilds FarmSave up to 1/2 PriceBuy one get one 1/2 price2 for €233 for 2 Mix & MatchOutletBuy 1 Get 1 FreeAlcohol FreeFluoride freeParfum FreePalm Oil FreeDairy FreeGluten FreeVitamin CTea TreeRosemaryHyaluronic AcidVitamin EAloe VeraRosehipLavenderSeaweedSalicylic AcidNew inWeight ManagementSlimming TabletsFat Burners, Binders & Appetite SuppressantsShop all Fat Burners, Binders & Appetite SuppressantsFat BurnersFat BindersAppetite SuppressantsShakes & Weight Management ShotsShop all Shakes & Weight Management ShotsMeal Replacement ShakesDiet Food & DrinkShop all Diet Food & DrinkDiet FoodLow Calorie SnacksSlimming TeaExercise SupportHolland & BarrettGrenadeOptimum NutritionHeath & HeatherPulsinUSNDiabloEat WaterKalloNudie SnacksSave up to 1/2 PriceBuy one get one 1/2 price3 for 2 Mix & MatchBuy 1 Get 1 FreeOutletShort Dated August 2025Gluten FreeSugar FreeDairy FreeWheat FreeMilk FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeFish FreeApple Cider VinegarNew inNew InTrendingBuy one get one 1/2 priceSave up to 1/2 Price3 for 2 Mix & MatchBuy 1 Get 1 Free2 for €23Outlet2 for €6Intro OfferShop all Health & WellnessWomen's HealthMen's HealthImmunityJoints, Bones, & MusclesEnergyGut HealthSleep & RelaxationHolland & BarrettDr OrganicFaith in NatureVitabioticsNaturtintOptimum NutritionWeledaPrecision EngineeredApplied NutritionQ+ABuy one get one 1/2 price3 for 2 Mix & MatchSave up to 1/2 PriceBuy 1 Get 1 Free2 for €23Outlet2 for €63 for €18Gluten FreeDairy FreeAlcohol FreeSugar FreeParfum FreeSoya FreeWheat FreeEgg FreeSesame Seed FreeMilk FreeVitamin CApple Cider VinegarTea TreeLion's Mane MushroomHyaluronic AcidVitamin ERosehipAloe VeraLavenderRosemaryNew inArticlesAll articlesHealthFood & nutritionGut healthImmunityJoints, bones & musclesWomen's healthWellnessHair & skinMental wellbeingSeasonalSleep & relaxationSports nutritionRecipesAll recipesGluten freeLow sugarVeganDairy freePodcast
Skip to content
Save on 100s of wellness favourites
Save on 100s of products

Shop offer

image of Fish oil & vitamin D3 3 for 2 offer
image of Fish oil & vitamin D3 3 for 2 offer

16+

Shop all Grenade 

Grenade .50 Calibre Pre-Workout Orange Sachet 23.2g

Current price: 0.00

SKU: 036478

Discount codes cannot be used with this product

Grenade .50 Calibre Pre-Workout Orange Sachet 23.2g

Current price: 0.00

  • Blood Orange flavoured pre-workout
  • Explosive Energy, Strength and Endurance*
  • Added Creatine

Ultimate pre workout ammunition

Contains large dosages of Citrulline Malate, high nitrate Beta Vulgaris, high-dose, flavanol-rich Theobroma Cacao. Of course, no Pre Workout product would be complete without beta alanine, caffeine and creatine.

Not intended for use by persons under the age of 16.

Full ingredients

Beta-Alanine, Creatine Monohydrate, L-Citrulline DL-Malate, Acidity Regulators: Citric Acid, Malic Acid; Anti-Caking Agents: Calcium Silicate, Silicon Dioxide, Tri-calcium Phosphate; Dextrin, L-Arginine Hydrochloride, Flavouring, BCAA Blend: L-Leucine, L-Valine, L-Isoleucine; Potassium Bicarbonate, Taurine, Beetroot Extract, Glycerol Powder, Sodium Bicarbonate, Theobroma Cacao Extract, Caffeine Anhydrous, Sweeteners: Acesulfame Potassium, Sucralose; Green Tea Extract, Ginseng Root Extract, Glucuronolactone, L-Tyrosine, Colour: Beta Carotene; Vitamin Blend: Nicotinamide, Folic Acid.

Always read the label before use

Per 100g / Per Serving (11.6g):
Energy 875kJ/206kcal / 101kJ/24kcal
Fat 0g / 0g
Of which Saturates 0g / 0g
Of which Sugars 1.0g / 0.1g
Protein 38g / 4.5g
Salt 1.2g / 0.14g
Fibre 8.2g / 1.0g
Carbohydrate 7.7g / 0.9g
Of which Polyols 0g / 0g
Niacin (Nicotinamide) 172mg / 20mg
Folic Acid 1338mcg / 155mcg

Directions:

Read warning before consuming. 11.6g with 250mL of cold water and stir or shake. Consume .50 Calibre® approximately 30 minutes before training. Drink at least 8 glasses of water per day. Do not exceed two servings per day

Suitable for:

Vegans

Advisory information:

Not intended for use by persons under the age of 16.

Consult a physician or healthcare professional before using this product if you have any allergies, medical conditions or are taking any medication.

NOT recommended for children or pregnant or breast-feeding women. HIGH CAFFEINE CONTENT - 80MG PER 100ML.

Contains Glycerol; excessive consumption may produce laxative effects. Do not exceed two servings per day (x2 1/2 sachet/11.6g). Do not consume this product if you suffer from high blood pressure. Do notconsume within 4-6 hours of intended sleep. Reduce or discontinue use of this product if you feel unwell after consuming and seek medical advice. Do not use this product in conjunction with any other product containing caffeine or other stimulants. Store in a cool, dry place away from strong light and odours. Store out of the reach of children. This product is intended for use by adults. Do not exceed recommended dosages. Food supplements should not be used as a substitute for a varied diet.

Note for tested athletes: please consult your specific federation before use.

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.

3.7stars

3 reviews

Filter by stars

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.

Better than expected

5 stars

I didn't think that it would make much difference but I was pleasantly surprised. I found running easier and the tingling sensation from the beta alanine is cooling.

Gerard - 3 years ago

Loved this!

5 stars

Bought 2 of these took half to start with but didn't feel much of a difference so next time i went to the gym i took a full 1 30 mins prior. Loved it!! Gave me so much energy and had an amazing workout, only downside was i felt sick during and after my workout but i think my

Louiseox11 - 5 years ago

50 servings misleading!

1 star

50 servings is based on a half a scoop which you have to take a wild guess at. The scoop is very large for a pre workout so if you take a full scoop, it’s only 25 servings. Nearly 400mg of caffeine in a full scoop just doesn’t seem right. Have requested refund on this ba

CelAL88 - 3 years ago

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.