20% off £20 OR 25% off £35

00h 00m 00s
Code:SALE
 

20% off £20 OR 25% off £35

00h 00m 00s

Code:SALE

Find a storeHelp
OffersBoxing Day EventSave up to 1/2 Price3 for 2 Mix & MatchOutletIntroductory OfferBetter than 1/2 priceBuy 1 Get 1 Free2 for £5 Mix & MatchBuy one get one 1/2 priceBuy more save 10%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 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.BetterYouNature's WayNatures AidBoxing Day Event3 for 2 Mix & MatchSave up to 1/2 PriceOutletBuy 1 Get 1 FreeIntroductory OfferShort DatedDairy FreeGluten FreeSesame Seed FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeFish FreeKiwi FreeLupin FreeNew inFood & DrinkFood & Drink Shop AllDried Fruit, Nuts & SeedsShop all Dried Fruit, Nuts & SeedsDried FruitNutsSeedsMixesTeas, Coffee & Hot BeveragesShop all Teas, Coffee & Hot BeveragesCoffee & Coffee SubstitutesMushroom DrinksHot ChocolateTeasSuperfood TeasMatcha & Green TeaHerbal TeaPeppermint TeaSleep & RelaxationSlimming TeaWomen's Health TeasHoney, Jams & SpreadsShop all Honey, Jams & SpreadsManuka HoneyHoneyNut ButtersJams & ChutneysSyrupsSpreadsPateDrinks & JuicesShop all Drinks & JuicesMultipack DrinksJuices & Health ShotsNatural Energy DrinksCoconut WaterKombuchaCBD DrinksSoft DrinksWaterAlcohol Free DrinksProtein ShakesSuperfoodsShop all SuperfoodsSuperfood BlendsSupergreensMoringa PowderSpirulinaMaca PowderFlaxseedBaobabChia SeedsGoji BerriesGut HealthSnacksShop all SnacksSweet SnacksSavoury SnacksLow Calorie SnacksChocolateCrisps & ChipsCrackers & CrispbreadsBiscuits & CookiesSnack BarsFlapjacksLiquoricePopcornSweets & MintsChocolate Coated SnacksVegan FoodShop all Vegan FoodMeat-Free AlternativesDairy Free DrinksEgg SubstitutesVegan ProteinVegan Protein BarsFood CupboardShop all Food CupboardApple Cider VinegarCondiments & SaucesMeat-Free AlternativesSoup & Ready MealsRice, Pasta, Pulses & GrainsGravy, Broths & StockBreakfast 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 DrinksNutritionally Complete FoodCoconutHolland & BarrettNaturyaGrenadeHuelHeath & HeatherNakdPukkaTwiningsPerfectTedManuka DoctorBoxing Day EventSave up to 1/2 PriceIntroductory OfferBetter than 1/2 priceOutlet2 for £5 Mix & Match3 for 2 Mix & MatchBuy one get one 1/2 priceGluten FreeDairy FreeWheat FreeEgg FreeSugar FreeMilk FreeSoya FreeSesame Seed FreeCelery FreeFish 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 EngineeredUSNMyproteinApplied NutritionGrenadePhDHuelTriActiveSiSBoxing Day EventSave up to 1/2 Price3 for 2 Mix & MatchIntroductory OfferOutletBuy 1 Get 1 FreeGluten FreeDairy FreeSugar FreePalm Oil FreeSoya FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeFish FreeNew inBeautyGiftsNatural 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 WellnessSexual WellnessDr OrganicFaith in NatureWeledaNaturtintTisserandMiaromaSukinQ+ATrilogyChilds Farm3 for 2 Mix & MatchBoxing Day EventSave up to 1/2 PriceOutletAlcohol FreeParfum FreePalm Oil FreeGluten FreeCelery FreeCereal FreeCrustaceans FreeDairy FreeEgg FreeFish FreeNew inChristmasCBDShop all CBDCBD Vitamins & SupplementsShop all CBD Vitamins & SupplementsCBD OilCBD CapsulesCBD SprayCBD GummiesCBD Food & DrinkCBD BeautyGrass & Co.TRIPCannaray CBDCBDfxfourfiveHolland & BarrettHolistic HerbReakiroBody & Mind BotanicalsLove HempBoxing Day EventSave up to 1/2 PriceOutlet3 for 2 Mix & MatchBuy 1 Get 1 FreeDairy FreeAlcohol FreeGluten 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 & DrinkHealthier CookingLow Calorie SnacksSlimming TeasExercise SupportShop all Exercise SupportFitness EquipmentMeal Replacement ShakesDiet ProteinProtein BarsHolland & BarrettUSNEat WaterIdeal HealthNudie SnacksTrekBraggGrenadeNatures AidSlimExpertBoxing Day EventSave up to 1/2 PriceIntroductory Offer2 for £12 Mix & Match3 for 2 Mix & MatchOutletBuy 1 Get 1 FreeGluten FreeSugar FreeDairy FreeWheat FreeCelery FreeCereal FreeCrustaceans FreeEgg FreeFish FreeKiwi FreeNew inHealth & WellnessShop all Health & WellnessEnergyJoints Bones & MusclesGut HealthHair Skin & NailsStress AnxietySleep & RelaxationHolland & BarrettVitabioticsNaturtintWeledaSolgarOptimum NutritionDr OrganicBetterYouApplied NutritionNew NordicBoxing Day EventSave up to 1/2 Price3 for 2 Mix & MatchOutletIntroductory OfferBuy 1 Get 1 Free2 for £12 Mix & Match3 for £15 Mix & MatchDairy FreeGluten FreeAlcohol FreeSugar 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 & MusclesWomen'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
My H&B
Basket

Magnesium Citrate 300Mg

499 items
Holland & BarrettVitabioticsVitamins & SupplementsVitamins & SupplementsHuelNaturya
Magnesium Citrate 60 TabletsMagnesium Citrate 60 Tablets
33% Off
Solgar
Magnesium Citrate 60 Tablets
(201)
£9.33
£14.00
£0.16/1 Tablet
Magnesium Citrate 120 Tablets
33% Off
Solgar
Magnesium Citrate 120 Tablets
(201)
£14.66
£22.00
£0.12/1 Tablet
Magic Magnesium Citrate 750mg 60 TabletsMagic Magnesium Citrate 750mg 60 TabletsMagic Magnesium Citrate 750mg 60 Tablets
33% Off
New Nordic
Magic Magnesium Citrate 750mg 60 Tablets
(7)
£11.66
£17.49
£0.19/1 Tablet
Magnesium Complex Citrate Blend 100 Capsules
3 for 2 Mix & Match
Nature's Way
Magnesium Complex Citrate Blend 100 Capsules
(51)
£12.99
£0.13/1 Capsules
Magnesium Citrate 90 TabletsMagnesium Citrate 90 TabletsMagnesium Citrate 90 TabletsMagnesium Citrate 90 Tablets
33% Off
Holland & Barrett
Magnesium Citrate 90 Tablets
(90)
£10.66
£15.99
£0.12/1 Tablet
Magnesium Citrate 90 TabletsMagnesium Citrate 90 TabletsMagnesium Citrate 90 Tablets
33% Off
Holland & Barrett
Magnesium Citrate 90 Tablets
(334)
£5.99
£8.99
£0.07/1 Tablet
Magnesium 60 GummiesMagnesium 60 GummiesMagnesium 60 Gummies
3 for 2 Mix & Match
Novomins
Magnesium 60 Gummies
(57)
£19.99
£0.33/1 Chewable
New In
Chelated Magnesium 100 TabletsChelated Magnesium 100 TabletsChelated Magnesium 100 Tablets
33% Off
Solgar
Chelated Magnesium 100 Tablets
(48)
£10.33
£15.50
£0.10/1 Tablet
Magnesium SF Raspberry Flavoured 60 GummiesMagnesium SF Raspberry Flavoured 60 GummiesMagnesium SF Raspberry Flavoured 60 Gummies
3 for 2 Mix & Match
Novomins
Magnesium SF Raspberry Flavoured 60 Gummies
(10)
£19.99
£0.33/1 Chewable
New In
Tri-Magnesium Powder Strawberry Raspberry 200gTri-Magnesium Powder Strawberry Raspberry 200gTri-Magnesium Powder Strawberry Raspberry 200gTri-Magnesium Powder Strawberry Raspberry 200gTri-Magnesium Powder Strawberry Raspberry 200g
Applied Nutrition
Tri-Magnesium Powder Strawberry Raspberry 200g
(5)
£25.00
£12.50/100 g
New In
Magnesium Gel
33% Off
BetterYou
Magnesium Gel
(41)
£8.63
£12.95
£5.75/100 ml
Magic Magnesium Malate 800mg 60 TabletsMagic Magnesium Malate 800mg 60 TabletsMagic Magnesium Malate 800mg 60 Tablets
33% Off
New Nordic
Magic Magnesium Malate 800mg 60 Tablets
(8)
£13.32
£19.99
£0.22/1 Tablet
Zinc, Magnesium & Vitamin B6 60 GummiesZinc, Magnesium & Vitamin B6 60 GummiesZinc, Magnesium & Vitamin B6 60 Gummies
3 for 2 Mix & Match
Novomins
Zinc, Magnesium & Vitamin B6 60 Gummies
(2)
£19.99
£0.33/1 Chewable
New In
Magnesium Sleep Kid Flakes 750g
33% Off
BetterYou
Magnesium Sleep Kid Flakes 750g
(4)
£7.99
£11.99
£1.07/100 g
Ultra Magnesium 60 TabletsUltra Magnesium 60 Tablets
33% Off
Vitabiotics
Ultra Magnesium 60 Tablets
(51)
£3.86
£5.79
£0.06/1 Tablet
Magnesium & Zinc 90 TabletsMagnesium & Zinc 90 TabletsMagnesium & Zinc 90 TabletsMagnesium & Zinc 90 Tablets
33% Off
Holland & Barrett
Magnesium & Zinc 90 Tablets
(249)
£5.66
£8.49
£0.06/1 Tablet
Natural Marine Magnesium 30 CapsulesNatural Marine Magnesium 30 CapsulesNatural Marine Magnesium 30 CapsulesNatural Marine Magnesium 30 CapsulesNatural Marine Magnesium 30 Capsules
33% Off
Together Health
Natural Marine Magnesium 30 Capsules
(108)
£4.66
£6.99
£0.16/1 Capsules
Magnesium Sleep Spray 100ml
28% Off
BetterYou
Magnesium Sleep Spray 100ml
(168)
£9.99
£13.95
£9.99/100 ml
Liposomal Magnesium Bisglycinate 1,500mg, Pineapple Guava Flavour - 1x15ml Liquid Sachet
3 for 2 Mix & Match
Zooki
Liposomal Magnesium Bisglycinate 1,500mg, Pineapple Guava Flavour - 1x15ml Liquid Sachet
(4)
£2.49
£2.49/1 Sachet
New In
Magnesium Oil Joint Spray 100mlMagnesium Oil Joint Spray 100ml
28% Off
BetterYou
Magnesium Oil Joint Spray 100ml
(73)
£9.99
£13.95
£9.99/100 ml
Magnesium Oil Spray Original 100mlMagnesium Oil Spray Original 100ml
28% Off
BetterYou
Magnesium Oil Spray Original 100ml
(146)
£9.99
£13.95
£9.99/100 ml
Calcium Magnesium plus Zinc 100 Tablets
33% Off
Solgar
Calcium Magnesium plus Zinc 100 Tablets
(91)
£7.76
£11.65
£0.08/1 Tablet
Calcium Magnesium plus Zinc 250 Tablets
33% Off
Solgar
Calcium Magnesium plus Zinc 250 Tablets
(91)
£16.00
£24.00
£0.06/1 Tablet
Magnesium Oil Sensitive Spray 100ml
33% Off
BetterYou
Magnesium Oil Sensitive Spray 100ml
(33)
£9.30
£13.95
£9.30/100 ml
Magnesium 375mg 30 TabletsMagnesium 375mg 30 TabletsMagnesium 375mg 30 TabletsMagnesium 375mg 30 Tablets
33% Off
Holland & Barrett
Magnesium 375mg 30 Tablets
(914)
£2.66
£3.99
£0.09/1 Tablet
Magnesium 375mg 180 TabletsMagnesium 375mg 180 TabletsMagnesium 375mg 180 TabletsMagnesium 375mg 180 Tablets
33% Off
Holland & Barrett
Magnesium 375mg 180 Tablets
(914)
£8.32
£12.49
£0.05/1 Tablet
Magnesium 375mg 90 TabletsMagnesium 375mg 90 TabletsMagnesium 375mg 90 TabletsMagnesium 375mg 90 Tablets
33% Off
Holland & Barrett
Magnesium 375mg 90 Tablets
(914)
£5.99
£8.99
£0.07/1 Tablet
Magnesium 375mg Powder 200gMagnesium 375mg Powder 200gMagnesium 375mg Powder 200gMagnesium 375mg Powder 200gMagnesium 375mg Powder 200g
33% Off
Holland & Barrett
Magnesium 375mg Powder 200g
(95)
£11.32
£16.99
£5.66/100 g
Magnesium Oil Spray 310mg 100mlMagnesium Oil Spray 310mg 100mlMagnesium Oil Spray 310mg 100ml
33% Off
Holland & Barrett
Magnesium Oil Spray 310mg 100ml
(141)
£7.99
£11.99
£7.99/100 ml
Calcium + Magnesium & Vitamin D 60 TabletsCalcium + Magnesium & Vitamin D 60 TabletsCalcium + Magnesium & Vitamin D 60 TabletsCalcium + Magnesium & Vitamin D 60 Tablets
33% Off
Holland & Barrett
Calcium + Magnesium & Vitamin D 60 Tablets
(88)
£2.79
£4.19
£0.05/1 Tablet
Calcium + Magnesium & Vitamin D 120 TabletsCalcium + Magnesium & Vitamin D 120 TabletsCalcium + Magnesium & Vitamin D 120 TabletsCalcium + Magnesium & Vitamin D 120 Tablets
33% Off
Holland & Barrett
Calcium + Magnesium & Vitamin D 120 Tablets
(88)
£4.66
£6.99
£0.04/1 Tablet
Calcium + Magnesium & Vitamin D 180 TabletsCalcium + Magnesium & Vitamin D 180 TabletsCalcium + Magnesium & Vitamin D 180 TabletsCalcium + Magnesium & Vitamin D 180 Tablets
33% Off
Holland & Barrett
Calcium + Magnesium & Vitamin D 180 Tablets
(88)
£5.99
£8.99
£0.03/1 Tablet
Eucalyptus Cherry Sugar Free Cough Drops 70g BagEucalyptus Cherry Sugar Free Cough Drops 70g Bag
33% Off
Ricola
Eucalyptus Cherry Sugar Free Cough Drops 70g Bag
(1)
£0.99
£1.49
£1.41/100 g
New In
Osteocare Glucosamine and Chondroitin 60 TabletsOsteocare Glucosamine and Chondroitin 60 Tablets
33% Off
Vitabiotics
Osteocare Glucosamine and Chondroitin 60 Tablets
(46)
£9.99
£14.99
£0.17/1 Tablet
Osteocare Fizz 20 Effervescent TabletsOsteocare Fizz 20 Effervescent Tablets
33% Off
Vitabiotics
Osteocare Fizz 20 Effervescent Tablets
(22)
£2.99
£4.49
£0.15/1 Capsules
Relief Salts 1kgRelief Salts 1kg
33% Off
WholyMe
Relief Salts 1kg
(4)
£9.33
£14.00
£0.93/100 g
New In
1 - 36 of 499 products
Speak to an Advisor

Speak to an Advisor

Book your free, 1:1 online consultation with one of our qualified advisors.
Find out more|
Rewards for Life

Rewards for Life

Collect points with every purchase and we will convert them into money off vouchers.
Find out more|My Account|
Subscribe & Save

Subscribe & Save

Save up to 45% on your favourite products plus get free delivery on all orders over £10
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.