20% off £35
Code:SAVE20
Vitamins & 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 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 Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomNew inFood & DrinkFood & Drink Shop AllDried Fruit, Nuts & SeedsShop all Dried Fruit, Nuts & SeedsDried FruitNutsSeedsMixesChocolate CoatedHealthier SnackingShop all Healthier SnackingSweet SnacksSavoury SnacksLow Calorie SnacksChocolateCrisps & ChipsCrackers & CrispbreadsBiscuits & CookiesSnack BarsFlapjacksLiquoricePopcornSweets & MintsChocolate Coated SnacksTeas, Coffee & Hot BeveragesShop all Teas, Coffee & Hot BeveragesCoffee & Coffee SubstitutesMushroom DrinksHot ChocolateTeasSuperfood TeasMatcha & Green TeaHerbal TeaPeppermint TeaSleep & RelaxationSlimming TeaWomen's Health TeasSuperfoodsShop all SuperfoodsSuperfood BlendsSupergreensMoringa PowderSpirulinaMaca PowderFlaxseedBaobabChia SeedsGoji BerriesGut HealthDrinks & JuicesShop all Drinks & JuicesMultipack DrinksJuices & Health ShotsNatural Energy DrinksCoconut WaterKombuchaCBD DrinksSoft DrinksWaterAlcohol Free DrinksProtein ShakesFood CupboardShop all Food CupboardApple Cider VinegarCondiments & SaucesMeat-Free AlternativesSoup & Ready MealsRice, Pasta, Pulses & GrainsGravy, Broths & StockManuka HoneyBreakfast CerealsShop all Breakfast CerealsCereals, Bran & FlakesGranolaMuesliOats & PorridgeBreakfast BarsHoney, Jams & SpreadsShop all Honey, Jams & SpreadsManuka HoneyHoneyNut ButtersJams & ChutneysSyrupsSpreadsPateHome BakingShop all Home BakingBaking IngredientsBaking MixesBreadFlourSweeteners & Sugar AlternativesEgg SubstitutesCookingShop all CookingCooking IngredientsApple Cider VinegarCondiments & SaucesMeat-Free AlternativesSoup & Ready MealsRice, Pasta, Pulses & GrainsTinned FoodsHerbs, Spices & SeasoningGravy, Broths & StockVegan Food & DrinkShop all Vegan Food & DrinkMeat-Free AlternativesDairy Free DrinksEgg SubstitutesVegan ProteinVegan Protein BarsDairy Free DrinksNutritionally Complete FoodHolland & BarrettVitabioticsSolgarNew Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomNew inSports NutritionSports Nutrition Shop AllProteinShop all ProteinWhey ProteinClear ProteinMass GainersVegan ProteinDiet ProteinCaseinCreatineShop all CreatineCreatine PowderCreatine CapsulesCreatine GummiesCreatine LiquidFlavoured CreatineSports SupplementsShop all Sports SupplementsFat BurnersAmino AcidsVitaminsTestosteroneGreensSports CollagenHydration & GelsShop all Hydration & GelsEnergy GelsElectrolytesNutritionally Complete FoodPre Workout & EnergyShop all Pre Workout & EnergyPre WorkoutCaffeine Free Pre WorkoutAmino Energy PowdersBars, Drinks & SnacksShop all Bars, Drinks & SnacksEnergy BarsProtein BarsProtein ShakesProtein SnacksAmino AcidsShop all Amino AcidsAmino Energy PowdersBCAAL-LysineGlutamineCarnitineArginineMeal Replacement ShakesVegan Sports NutritionShop all Vegan Sports NutritionVegan ProteinVegan Protein BarsVegan Pre Workout & EnergyVegan Amino AcidsVegan CreatineSports AccessoriesShop all Sports AccessoriesBottles & ShakersFitness EquipmentHolland & BarrettVitabioticsSolgarNew Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomNew inBeautyNew inHolland & BarrettVitabioticsSolgarNew Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomBeauty 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 AccessoriesHair Spray, Gel & MousseCollagen & SilicaHair, Skin & NailsSun CareShop all Sun CareSun Lotion SPFMineral Sun CareFace SPFAfter SunWashing & 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 WellnessWeight 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 & BarrettVitabioticsSolgarNew Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomNew inMedicines and HealthcareShop all Medicines and HealthcareHayfever & Allergy RemediesPain ReliefCough, Colds & Sore ThroatAntacids & GastrointestinalInfant & BabiesFemale HealthHaemorrhoids & Piles TreatmentsEar Care & Eye HealthFoot Care & Health Skin & ScalpMouth & Oral CareHair & ScalpTravelHolland & BarrettVitabioticsSolgarNew Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomNew inVeganNew InTrendingThe best of Holland & BarrettEnd of Summer SaleSave up to 1/2 Price3 For 2 Mix & MatchOnline Only OffersFree Biotin when you spend £20Buy one get one 1/2 priceBuy 1 Get 1 FreeOutlet2 For £5 Mix & MatchWhile Stocks Last3 For £3 Mix & MatchShort Dated September 2025Shop all Health & WellnessJoints, Bones, & MusclesExercise & PerformanceEnergyGut HealthBrain HealthHeart HealthHair & Skin HealthWomen's HealthImmunitySleep & RelaxationChildren's HealthMen's HealthEmotional WellbeingEye HealthHolland & BarrettVitabioticsSolgarNew Leaf ProductsNovominsNew NordicBioglanWeledaNatures AidBetterYouEnd of Summer SaleSave up to 1/2 PriceOnline Only Offers3 For 2 Mix & MatchBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletFree Biotin when you spend £20Gluten FreeDairy FreeSugar FreeSoya FreePalm Oil FreeSesame Seed FreeWheat FreeParaben FreeSLS FreeCelery FreeLion's Mane MushroomApple Cider VinegarReishi MushroomCollagenChaga MushroomArnicaMaitake MushroomAstragalusCastor OilCordyceps MushroomNew inArticlesAll articlesHealthFood & nutritionGut healthImmunityJoints, bones & musclesWomen's healthWellnessHair & skinMental wellbeingSeasonalSleep & relaxationSports nutritionRecipesAll recipesGluten freeLow sugarVeganDairy freePodcast
Review of Optimum Nutrition Gainer Shaker Black 1L
On this page you can read all Optimum Nutrition Gainer Shaker Black 1L reviews from our customers. View the best review and most critical reviews, search our reviews or filter and sort the reviews of our customers to help you make the right choice. Optimum Nutrition Gainer Shaker Black 1L receives an average rating of 4.1 stars from our customers based on 22 reviews.
View ProductThe subjective customer reviews below are only moderated for offensive content – they should not be regarded as medical or health advice; no reliance should therefore be placed on them; and they are not endorsed by Holland & Barrett. If you have any health problems or questions regarding the suitability of any product please contact a health professional. Products are not medicinal unless otherwise stated. Find out more
Good quality
5 stars
Verified Purchaser
Good quality, good price.
Ausra - 17 days ago
Five star
5 stars
Verified Purchaser
Very good
Anonymous - 1 month ago
Mixes well
5 stars
Verified Purchaser
Mixes well
Anonymous - 1 month ago
Amazing product
5 stars
Verified Purchaser
Very cool
Anonymous - 1 month ago
Good
5 stars
Verified Purchaser
Good
Anonymous - 2 months ago
Good
5 stars
Verified Purchaser
Good
Anonymous - 2 months ago
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.