15% off €35 or 20% off €45

Code:BASKET
 

15% off €35 or 20% off €45

Code:BASKET

Find a storeHelp
☀️ SummerVitamins & 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 SupplementsApple 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 & BarrettVitabioticsSolgarNovominsBetterYouNew NordicNatures AidBioglanWild NutritionDr Organic3 for 2 Mix & MatchBuy 1 Get 1 FreeBuy one get one 1/2 pricePayday EventSave up to 1/2 PriceOutlet3 for €18Short Dated August 2025Gluten FreeDairy FreeSugar FreeSoya FreeAlcohol FreeSesame Seed FreePalm Oil FreeCelery FreeCereal FreeCrustaceans FreeLion's Mane MushroomApple Cider VinegarReishi MushroomChaga MushroomCollagenAloe VeraCastor OilShiitake MushroomTea TreeVitamin ENew 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 DrinksJuices & 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 DoctorTREKPerfectTedEgmont HoneyBuy one get one 1/2 priceSave up to 1/2 PriceBuy 1 Get 1 Free3 for 2 Mix & MatchPayday Event2 for €6Intro OfferOutletGluten FreeDairy FreeSugar FreeWheat FreeEgg FreeMilk FreeNut FreeSesame Seed FreeSoya FreePeanut FreeApple Cider VinegarLion's Mane MushroomReishi MushroomChaga MushroomNew inSports NutritionProteinShop all 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 & BarrettApplied NutritionPrecision EngineeredOptimum NutritionMyproteinGrenadeUSNNakdSiSTREKSave up to 1/2 PriceBuy one get one 1/2 price3 for 2 Mix & MatchPayday EventBuy 1 Get 1 FreeOutletIntro OfferShort Dated August 2025Gluten FreeDairy FreeSugar FreeWheat FreeEgg FreeSoya FreeMilk FreePalm Oil FreeSesame Seed FreeCelery FreeVitamin ENew inBeautyNew inCetaphilDr OrganicFaith in NatureWeledaNaturtintTisserandQ+AMiaromaTrilogyWildSave up to 1/2 PriceBuy one get one 1/2 pricePayday EventBuy 1 Get 1 Free2 for €233 for 2 Mix & MatchOutletIntro OfferAlcohol FreeFluoride freeParfum FreeDairy FreeGluten FreeVitamin CTea TreeLavenderAloe VeraHyaluronic AcidRosehipRosemaryVitamin ESalicylic AcidSeaweedAromatherapy & 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 & ToiletriesMakeupWeight 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 & BarrettOptimum NutritionGrenadeHeath & HeatherPulsinUSNTREKEat WaterKalloApplied NutritionSave up to 1/2 PriceBuy one get one 1/2 priceBuy 1 Get 1 Free3 for 2 Mix & MatchPayday EventIntro OfferOutletGluten FreeSugar FreeDairy FreeWheat FreeMilk FreeApple Cider VinegarNew inNew InTrendingBuy one get one 1/2 priceSave up to 1/2 Price3 for 2 Mix & MatchBuy 1 Get 1 FreePayday Event2 for €23Outlet2 for €6Intro OfferShop all Health & WellnessWomen's HealthMen's HealthImmunityHair & Skin HealthJoints, Bones, & MusclesEnergyGut HealthSleep & RelaxationHolland & BarrettDr OrganicFaith in NatureNaturtintWeledaApplied NutritionPrecision EngineeredQ+AVitabioticsOptimum NutritionSave up to 1/2 PriceBuy one get one 1/2 price3 for 2 Mix & MatchBuy 1 Get 1 FreePayday Event2 for €23OutletIntro OfferGluten FreeDairy FreeAlcohol FreeSugar FreeParfum FreeSoya FreeWheat FreeEgg FreeSesame Seed FreeMilk FreeVitamin CLavenderTea TreeAloe VeraHyaluronic AcidRosehipApple Cider VinegarVitamin ESeaweedLion's Mane MushroomNew inArticlesAll articlesHealthFood & nutritionGut healthImmunityJoints, bones & musclesWomen's healthWellnessHair & skinMental wellbeingSeasonalSleep & relaxationSports nutritionRecipesAll recipesGluten freeLow sugarVeganDairy freePodcast
My H&B
Basket
SiS GO Isotonic Energy Gel Orange 60ml

Review of SiS GO Isotonic Energy Gel Orange 60ml

On this page you can read all SiS GO Isotonic Energy Gel Orange 60ml 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. SiS GO Isotonic Energy Gel Orange 60ml receives an average rating of 4.7 stars from our customers based on 126 reviews.

View Product
Filter by stars

The 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.

!!!

5 stars

Verified Purchaser

!!!

!!! - 3 days ago

Gel AOK

5 stars

Verified Purchaser

All OK

Anonymous - 5 days ago

Great product on subscription...

5 stars

Verified Purchaser

Great product. On subscription so never left running low. Great service.

EmmaB - 6 days ago

Electrolyte

5 stars

Verified Purchaser

Seemed like a good product

Jh - 15 days ago

Fantastic Energy Booster

5 stars

Verified Purchaser

It's a very good product.

Julia M - 17 days ago

Perfect

5 stars

Verified Purchaser

Lived it

Grant Robinson - 20 days ago

Join Rewards for Life
Join Rewards for Life
Join rewards for life today and we'll give you 300 points worth €3.00
Find out more|Sign In|
Speak to an Advisor
Speak to an Advisor
Book your free, one-to-one online consultation with one of our qualified advisors.
Help Centre
Help Centre
Need some help with an order or want to speak to a member of our Customer Services team?
Refer a friend
Refer a friend
Refer a friend and both of you get rewarded! Share the benefits and enjoy exclusive perks
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.