☀️ 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 NordicBioglanNatures AidWild NutritionApplied Nutrition3 For 2 Mix & MatchSave up to 1/2 PriceBuy one get one 1/2 priceOutletBuy 1 Get 1 FreeBetter than Half PriceGluten FreeDairy FreeSugar FreeSoya FreeAlcohol FreeSesame Seed FreePalm Oil FreeWheat FreeCelery FreeCereal FreeLion's Mane MushroomApple Cider VinegarReishi MushroomChaga MushroomCollagenAloe VeraCastor OilTea TreeVitamin EMaitake 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 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 & BarrettNaturyaNakdPukkaHeath & HeatherManuka DoctorBio & MeGrenadeHuelPerfectTed3 For 2 Mix & MatchSave up to 1/2 PriceBuy one get one 1/2 priceBuy 1 Get 1 FreeMix & Match 2 For €6Better than Half PriceOutletMix & Match 2 For €3Gluten 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 NutritionMyproteinUSNGrenadeNakdTriActiveHuelSave up to 1/2 Price3 For 2 Mix & MatchBuy one get one 1/2 priceMix & Match 2 For €72Buy 1 Get 1 FreeOutletIntroductory OfferBetter than Half PriceGluten FreeDairy FreeSugar FreeWheat FreeEgg FreeSoya FreeMilk FreePalm Oil FreeSesame Seed FreeAlcohol FreeVitamin ENew inBeautyNew inCetaphilAveenoDr OrganicFaith in NatureWeledaNaturtintTisserandQ+AMiaromaTrilogy3 For 2 Mix & MatchSave up to 1/2 PriceBuy 1 Get 1 FreeOutletBuy one get one 1/2 priceAlcohol FreeFluoride freeParfum FreeDairy FreeGluten FreeSoya 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 & HeatherPulsinUSNEmilyEat WaterKalloApplied Nutrition3 For 2 Mix & MatchSave up to 1/2 PriceBuy one get one 1/2 priceMix & Match 2 For €72Buy 1 Get 1 FreeOutletGluten FreeSugar FreeDairy FreeWheat FreeMilk FreeApple Cider VinegarNew inNew InTrending3 For 2 Mix & MatchSave up to 1/2 PriceBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletMix & Match 2 For €6Mix & Match 2 For €72Better than Half PriceShop all Health & WellnessWomen's HealthMen's HealthImmunityHair & Skin HealthJoints, Bones, & MusclesEnergyGut HealthSleep & RelaxationHolland & BarrettDr OrganicFaith in NatureNaturtintWeledaApplied NutritionQ+AVitabioticsPrecision EngineeredOptimum Nutrition3 For 2 Mix & MatchSave up to 1/2 PriceBuy one get one 1/2 priceBuy 1 Get 1 FreeOutletMix & Match 2 For €72Better than Half PriceMix & Match 2 For €6Gluten FreeDairy FreeAlcohol FreeSugar FreeParfum FreeSoya FreeSesame Seed FreeWheat FreeEgg FreePalm Oil 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
Skip to content
Save up to 33% on sports & wellness for a limited time only
Save up to 33% on sports & more

Shop now

18+

Shop all Applied Nutrition 

Applied Nutrition Critical Mass Professional Lean Mass Gainer Vanilla 2.4kg (16 Servings)

Exercise & Performance

550+ kcal to boost daily intake

42g Protein for muscle repair

Less than 2g sugar per serving

Current price: €48.00

€2.00/100 g

SKU: 068054

192 Rewards for Life points with this purchase

Applied Nutrition Critical Mass Professional Lean Mass Gainer Vanilla 2.4kg (16 Servings)

Current price: €48.00

Shop all Building Muscle

Per serving (100g)

Protein

28g

Energy

377Kcal (566/100g)

Fat

6.7g (saturates 1.4g)

Carbs

49.8g

Salt

0.18g

Sugars

1.9g

Applied Nutrition Critical Mass Professional Lean Mass Gainer Vanilla 2.4kg (16 Servings)

The UK's most trusted mass gainer for serious size & strength – Critical Mass Professional is the ultimate high-calorie weight gainer.

  • 1,000+ calories per serving – packed with high-quality protein & carbs – delivers a caloric surplus essential for lean muscle gain.
  • Powerful creatine & glutamine complex for performance & recovery – enhanced with creatine monohydrate.
  • Optimal weight gain formula for hard gainers & athletes.
  • Easy mixing & delicious flavours for maximum enjoyment – designed for convenience, this instantized protein powder mixes effortlessly in water or milk, creating a smooth, creamy texture with no lumps or grittiness.
  • Informed Sport Registered & Halal Certified.
  • Added HMB, Glutamine, Leucine & Creatine Matrix. Added Fats: CLA & MCT Powder.

Critical Mass is quite simply the UK's favourite and trusted mass gain supplement, it uses the highest quality of ingredients, all of which have been carefully selected for the ability to deliver quality Lean Mass Gainz allowing you to rack up the calories for your daily count.

New reduced sugar formulation contains 42g of both fast and slowly digested proteins per serving including ISO-XP 95% Whey Protein Isolate.

UK: Applied Nutrition Limited, Trio, Acornfield Road, Knowsley, L33 7UG

EU: Applied Nutrition Limited, Unit 495, Moat House, 54 Bloomfield Avenue, Belfast, BT5 5AD

Full ingredients

Organic Ground Oats (Gluten), Maltodextrin, Protein Blend (MPI 90: Milk Protein Isolate (Milk), ISO-XPTM 95: Whey Protein Isolate (Milk), WPC 80: Whey Protein Concentrate (Milk)), L-Leucine, Glutamine Peptides (Wheat), Creatine Monohydrate, CLA Powder (Conjugated Linoleic Acid), MCT (Medium Chain Triglycerides), HMB (Beta-Hydroxy Beta-Methylbutyrate), Flavouring, Emulsifier (Soy Lecithin), HICA (Alpha-Hydroxy Isocaproic Acid), ALA (Alpha Lipoic Acid), DigeZyme® Enzyme Complex (Amylase, Protease, Cellulase, Lactase, Lipase), Sweetener (Sucralose), LactoSpore® (Bacillus Coagulans), Chromium (as Chromium Picolinate).

Allergens: please see ingredients in bold. Made in a facility that handles milk, egg, soy, fish, cereals containing gluten and products thereof

Always read the label before use

Per 150g Serving / Per 100g Serving
Energy 2367 kJ / 566 kcal / 1578 kJ / 377 kcal
Fat 10 g / 6.7 g
of which saturates 2.1 g / 1.4 g
Carbohydrates 74.7 g / 49.8 g
of which sugars 2.9 g / 1.9 g
Protein 42 g / 28 g
Salt 0.27 g / 0.18 g
L-Leucine 5 g / 3.3 g
Glutamine Peptides 5 g / 3.3 g
Creatine Monohydrate 3 g / 2 g
HMB 2 g / 1.33 g
HICA (Leucic Acid) 0.5 g / 0.33 g
ALA (Alpha Lipoic Acid) 250 mg / 166.6 mg
DigeZyme® 40 mg / 27 mg
LactoSpore® 00,000,000 spores / 66,666,667 spores
Chromium 1000 µg / 600 µg 2500%

Advisory Information:

Check with a qualified health professional before using this product if you are under the age of 18, pregnant or nursing a baby or if you have any known or suspected medical condition(s) or are taking any prescription or OTC medication(s). Not to be used as a substitute for a varied diet and healthy lifestyle. Store this product in a cool dry place, away from children. Do not exceed suggested use. Made in a facility that handles milk, egg, soy, fish, cereals containing gluten and products thereof.

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:

Mix 2.5 scoops (150g) with 500ml of water or skimmed milk and shake well using a shaker bottle. Consume 1-3 servings daily depending on your calorie requirements.

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.

Really good protein powder

5 stars

Verified Purchaser

Really good powder! This is my first time trying it, and I love it already. It’s not too sweet, blends amazing, and has great taste. I’ve also begun to see results already

Anonymous - 10 days ago

Great

5 stars

Verified Purchaser

Love this protein , has creatine included and tastes nice . Feel like it gives great results to boot !

Carlos - 29 days ago

It blows other protein powers of the shelf.

5 stars

Verified Purchaser

This is perfect if you are a hard gainer like me since i started using this protein power 4 months ago i have doubled my muscle body weight it works! so why change what works!!

Anonymous - 1 month ago

Compare similar products

Product name

Price

Rating

Suitable for

This product

Applied Nutrition Critical Mass Professional Lean Mass Gainer Vanilla 2.4kg (16 Servings)
Price

€48.00

€2.00/100 g

Rating

4.5

Suitable for

-

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.