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Mass Gainer Supplements
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USN Hyperbolic Mass Strawberry 6kg: High Calorie Mass Gainer Protein Powder for Fast Muscle MassâWeight Gainer, With Added Creatine and Vitamins OPC-PB8PXNT-NEW
USN Hyperbolic Mass Strawberry 6kg: High Calorie Mass Gainer Protein Powder for Fast Muscle MassâWeight Gainer, With Added Creatine and Vitamins
£79.00
Shipping: Free
OnBuy
Optimum Nutrition Serious Mass Chocolate Peanut Butter 5455 g
Weight GainerSet Consisting of: 1 x pouchFlavor: Chocolate, Peanut Butter1263 calories per serving50 g whey protein per serving3 grams creatine per serving25 vitamins and mineralsContents: 5,455 g
£60.85
Boditronics Mass Attack Heavyweight Mass Gainer Protein Powder with 60g Protein, 214g Carbohydrates, 5g Creatine per Serving, Strawberries and Cream, 6kg C7-Q2GY-EOJY
Nutrition: Contains 60g protein and 214g carbohydrates per serving, providing 1300 calories when mixed with water for muscle mass development Ingredients: Features 5g creatine monohydrate per serving combined with dextrose monohydrate for enhanced muscle strength and recovery Formulation: Blends with water or milk into a light consistency shake without artificial colours, flavours, preservatives or sweeteners Serving Information: Mix 300g (4 scoops) with 300ml of water or milk. Recommended two servings daily Flavour Options: Available in Banana Cream, Milk Chocolate, Strawberries and Cream, and Vanilla Ice Cream variants
£54.99
Shipping: Free
Amazon Marketplace - MP Bio Science
Optimum Nutrition Serious Mass Chocolate 2727 g
Weight GainerSet Consisting of: 1 x boxFlavour: Chocolate1263 calories per serving50 g whey protein per serving3 grams creatine per serving25 vitamins and mineralsContents: 2,727 g
£35.19
Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein, White OPC-PB95CG9-NEW
Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein, White
£67.42
Shipping: Free
OnBuy
Optimum Nutrition Serious Mass Cookies & Cream 2727 g
Weight GainerSet Consisting of: 1 x boxFlavor: Cookies & Cream1267 calories per serving50 g whey protein per serving3 grams creatine per serving25 vitamins and mineralsContents: 2,727 g
£40.00
Shipping: Free
Amazon
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 4 Servings, 1.34 kg, Packaging May Vary B0FFTB889F
Low fat mass gainer with over 1260 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE to support performance** No added sugar protein powder formula with 25 vitamins and minerals and less than 5g fat per serving, plus over 250 grams of CARBOHYDRATES helping support muscle recovery*** Serious Mass protein powder 4 Serve comes in 2 flavours (chocolate and vanilla) & contains sweetener. To prepare weight gainer mix 2 scoops with 710 ml of water or plant milk, add fruit or nut butters for a tasty and calorific post workout or between meals protein smoothie Source EFSA Journal *2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; ***2011; 9(7):2303
£25.00
Shipping: Free
Amazon
Optimum Nutrition Serious Mass Chocolate Mint 5455 g
Weight GainerSet Consisting of: 1 x bagFlavor: Chocolate, Mint1263 calories per serving50 g whey protein per serving3 grams creatine per serving25 vitamins and mineralsContents: 5,455 g
£73.39
USN Hyperbolic Mass Chocolate 2kg â High-Calorie Mass Gainer with 60g Protein, 5,400mg Creatine & Vitamins for Fast Muscle Gains OPC-PB8PXSY-NEW
USN Hyperbolic Mass Chocolate 2kg is a high-calorie mass gainer protein powder engineered for fast muscle mass gains with a delicious chocolate taste.
£100.99
Shipping: £5.99
OnBuy
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Banana, 16 Servings, 5.45 kg, Packaging OPC-PK2YKG5-NEW
Features Low fat mass gainer with over 1250 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE...
£60.00
Shipping: £19.00
OnBuy
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Cookies and Cream, 16 Servings, 5.45 kg, OPC-PK2YKB8-NEW
Features Low fat mass gainer with over 1250 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE...
£60.00
Shipping: £19.00
OnBuy
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Banana, 16 Servings, 5.45 kg, Packaging OPC-PJQ88NX-NEW
Features Low fat mass gainer with over 1250 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE...
£93.23
Shipping: Free
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The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Chocolate, 5kg) (Pack of 3) B0GP865SVP
The information below applies to each unit in the pack HIGH-CALORIE MASS GAIN FORMULA WITH 30G PROTEIN PER SERVING – SERIOUS GAINZ by The Bulk Protein Company is positioned as one of the high calorie drinks for weight gain, delivering approximately 468 calories, 30g protein and 81g carbs per serving to help hardgainers stay in a consistent calorie surplus. Designed for anyone needing extra calories to increase size and strength, it supports muscle recovery, training performance and progressive weight gain when paired with a structured eating plan. SUPPORTS MUSCLE GROWTH & POST-WORKOUT RECOVERY – Each serving provides a balanced blend of protein and carbohydrates to replenish energy after training and support lean muscle growth. The combination of soy protein powder, whey isolate protein powder, casein protein powder and oat flour delivers both fast and sustained amino acid release, helping refuel muscles, restore glycogen levels and maintain a high daily protein intake for better recovery and improved performance between sessions. MIXES BEST WITH MILK FOR A SMOOTHER, MORE ENJOYABLE SHAKE – As a bulking protein powder, SERIOUS GAINZ can be prepared with water or milk, though many users prefer milk for a smoother, richer and more consistent texture. Adding liquid first, shaking thoroughly or using a blender helps reduce clumps and creates a creamier shake that’s easier to drink during heavy bulking phases. This preparation method makes each serving more enjoyable and supports daily consistency as calorie needs increase. SMOOTH, SWEET FLAVOUR EXPERIENCE YOU CAN ENJOY DAILY – This whey protein powder delivers a rich, dessert-style taste that makes each protein shake enjoyable as part of your daily bulking routine. Available in popular flavours such as Chocolate, Cookies & Cream, Vanilla, Strawberry and Banana, it offers options suited to both classic and dessert-style preferences. Whether you mix it with water or milk, or blend it into oats and smoothies, the flavour stays satisfying across long bulking phases. FILLING FORMULA DESIGNED TO HELP MAINTAIN A DAILY CALORIE SURPLUS – This mass gainer delivers a dense, satisfying shake that helps men and women stay on track with daily calorie targets during bulking phases. Its naturally filling consistency supports a sustained surplus, while starting with smaller servings, adding more liquid or spacing intake can help maintain comfortable, consistent nutrition throughout the day.
£119.97
Shipping: £4.49
Amazon
Dorian Yates Metabolic Mass Gainer, Almond - 6000g OPC-PFZVM8C-NEW
MetabolicMassGainer,Almond-6000g
£83.42
Shipping: £3.99
OnBuy
Applied Nutrition Critical Mass 2.4kg Professional Mass Gainer - Vanilla 7768602
Critical Mass Professional is the ultimate mass gainer supplement designed for those looking to increase muscle size, strength, and daily calorie intake. Whether you are a hard gainer struggling to put on weight or an athlete aiming to fuel intense training sessions, this high-calorie formula delivers the nutrition needed to support lean muscle growth and recovery.This new and improved formula provides 42g of high-quality protein per serving, featuring a blend of fast-absorbing and slow-digesting proteins, including ISO-XP (95 percent) Whey Protein Isolate. The balanced release of protein ensures continuous muscle recovery and growth, making it ideal for post-workout replenishment or between meals. Unlike traditional mass gainers, this formula has been refined to contain less sugar, supporting clean weight gain while providing sustained energy. To enhance physical performance and strength, Critical Mass Professional is fortified with HMB, glutamine, chromium, leucine, and a powerful creatine matrix. These essential ingredients help improve endurance, reduce muscle fatigue, and support optimal protein metabolism, making it a superior choice for high-intensity exercise and weight training. Every batch of Critical Mass Professional is halal-certified and undergoes rigorous testing for banned substances under the Informed-Sport programme. Trusted by elite athletes, bodybuilders, and fitness enthusiasts, this mass gainer is formulated to maximize muscle growth, recovery, and performance while ensuring the highest quality and safety standards. Perfect for anyone serious about gaining size and strength, Critical Mass Professional provides an effective, science-backed solution for building lean mass and achieving fitness goals. WARNING, 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. For best before dates and batch number see label. Organic Ground OATS, Maltodextrin, Protein Blend (Milk Protein Isolate (MILK), Whey Protein Isolate (MILK), 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 Multi-Enzyme Complex (Amylase, Protease, Cellulase, Lactase, Lipase), Sweetener (Sucralose), LactoSpore (Bacillus Coagulans), Chromium (as Chromium Picolinate). ALLERGENS Please see ingredients in CAPITAL. Made in a facility that handles milk, egg, soy, fish, cereals containing gluten and products thereof.
£34.95
Shipping: Free
The Range
Optimum Nutrition Serious Mass Strawberry 2727 g
Weight GainerSet Consisting of: 1 x boxFlavour: Strawberries1269 calories per serving50 g whey protein per serving3 grams creatine per serving25 vitamins and mineralsContents: 2,727 g
£40.00
Shipping: Free
Amazon
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Vanilla, 4 Servings, 1.34kg, Packaging May Vary B0FFTB3SGJ
Low fat mass gainer with over 1250 CALORIES and 50g of PROTEIN per serving to support muscle growth* plus 3 grams of CREATINE MONOHYDRATE to support performance** No added sugar protein powder formula with 25 vitamins and minerals and less than 5g fat per serving, plus over 250 grams of CARBOHYDRATES helping support muscle recovery*** Serious Mass protein powder 4 Serve comes in 2 flavours (chocolate and vanilla) & contains sweetener. To prepare weight gainer mix 2 scoops with 710 ml of water or plant milk, add fruit or nut butters for a tasty and calorific post workout or between meals protein smoothie Source EFSA Journal *2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; ***2011; 9(7):2303
£25.00
Shipping: Free
Amazon
Bulk 1000 Mass Gainer Powder | 2.5kg | Chocolate Brownie | High-Calorie Gainer with 51g Protein & 165g Carbs per Serving | At Least 1000 Calories per Serving | Ideal for Bulking & Intense Training B0FHB4JC5S
See serious gains with our most powerful Mass Gainer, designed to transform your physique. It contains a huge amount of macros to help you see real growth and build muscle mass with regular use. Our powerhouse mass gainer delivers the fuel your body needs to support increase in size. Each serving is made with at least 51g protein, over 1000 calories and up to165g carbs. We suggest aiming for 1.6 to 2.2 grams of protein per kilogram of body weight per day. One serving of Bulk 1000 Mass Gainer provides at least 51g protein —a huge step towards your daily intake. Made with bigger macros for better results, it helps you achieve the physique you want. Carbohydrates help you sustain longer lifting sessions, calories help builld mass and protein promotes muscle repair. Make one of the rich, creamy flavours your reward after a workout. Coming in Banana Milkshake, Chocolate Brownie and Cinnamon Cereal Milk flavours, it's the ultimate training partner.
£49.99
Shipping: Free
Amazon
Dymatize Super Mass Gainer Rich Chocolate 2943g - Weight-Gainer Powder + Carbohydrates, BCAAs and Casein B09PLCG7DP
OUR MASSIVE COMBINATION of creatine, carbohydrates, BCAAs and proteins provides valuable nutrients to meet the particular needs of your bulking phase DEVELOPED SPECIALLY FOR BODYBUILDERS, hardgainers and powerlifters and their specific needs, Protein Weight Gainer provides appropriate calories and nutrients, especially in the bulking phase EVERY SERVING of Super Mass Gainer provides up to 243 g of carbohydrates, 52 g of protein, 11–12 g of BCAAs and 3 g of fine Creapure creatine, as well as five vitamins to help reduce tiredness ACCORDING TO INFORMED CHOICE, every substance in the Mass Gainer powder is of the highest standard, so athletes can rest easy knowing their product is top quality, especially during competitions FOR BEST RESULTS when bulking, mix one serving in 700 ml of water every day after training. The mass gainer protein shake is gluten free and suitable for vegetarians
£49.99
Shipping: Free
Amazon
Applied Nutrition Original Critical Mass - Weight Gainer with MCT Powder, High Calorie Protein Powder Mass Gainer (6kg - 25 Servings) (White Choco Hazelnut) B0CKJ6VLG9
PERFECT FOR HARD GAINERS: Original Mass weight gain protein powder is perfect for hard gainers who struggle to put on weight and gain mass. Using a mass gainer powder helps to ensure that growing muscles get the vital nutrients they need to recover and develop. WAXY MAIZE STARCH: This serious mass protein powder uses Waxy Maize Starch, which is revolutionary because it bypasses the stomach and goes straight to the intestines for digestion. It replenishes glycogen stores faster than traditional sources of carbohydrate. HIGH IN CALORIES, PROTEIN AND CARBOHYDRATES: This muscle gain protein powder makes a delicious shake that is high calorie, high protein and high in carbohydrate. This can be used as a high carbohydrate meal in the day or after a strenuous training session. 4 DELICIOUS FLAVOURS: Original Mass comes in 6 tasty flavours so you have a delicious addition to your training regime. You can order either banana, chocolate, strawberry, vanilla, Cookies 'N' Cream or White Choco Hazelnut mass gainer protein powder to find your favourite flavour. TESTED FOR ATHLETES: Applied Nutrition ensure that their protein powder mass gainer is extensively tested so that it meets the exacting standards of professional athletes. They are used by some of the world’s most elite athletes as part of their training.
£39.99
Shipping: Free
Amazon
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Strawberries & Cream, 5.4 kg) B00KAAM2U6
Engineered for Gains: This seamless protein shake mix is specifically formulated to accelerate muscle and weight gains and improve post-workout recovery, enhancing overall workout performance for the dedicated, hard gainer and serious athlete alike Excellent Nutrition Profile: Packed with quality ingredients, each protein shake serving delivers over 1000 kcals, 200g of complex carbohydrates, 60g of muscle gain protein, critical EAAs, creatine, 18 vitamins and minerals (B12, B6, C, Iron, Zinc) Outstanding Taste Sensation: Our Strawberries and Cream mass gainer flavour isn't just a treat for your taste buds - it's a deliciously creamy escape into indulgence with every sip, all while you are fueling your body for mass gain and muscle recovery Optimal Timing for Maximum Impact: Consume Instant Mass Heavyweight high protein shake between meals for a positive nitrogen balance, 20-30 minutes post workout for best results or 45-60 minutes before sleep to aid overnight muscle maintenance Trusted Quality Assurance: Reflex Nutrition's promise to quality means whey protein powder from grass-fed cows - Protein Sources are Glutamine Peptides, Whey Protein Concentrate, Milk Protein, Hydrolysed Whey Protein Produced in an Informed Sport Registered Facility - Suitable for vegetarians and Halal certified - Zero added sugars, artificial colors, or soy protein, assuring a conscientious choice of weight gainer for your muscle-building objectives
£49.45
Shipping: Free
Amazon
Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Chocolate Perfection, 5.4 kg) B00KAAGU40
Engineered for Gains: This seamless protein shake mix is specifically formulated to accelerate muscle and weight gains and improve post-workout recovery, enhancing overall workout performance for the dedicated, hard gainer and serious athlete alike Excellent Nutrition Profile: Packed with quality ingredients, each protein shake serving delivers over 1000 kcals, 200g of complex carbohydrates, 60g of muscle gain protein, critical EAAs, creatine, 18 vitamins and minerals (B12, B6, C, Iron, Zinc) Outstanding Taste Sensation: Our Chocolate Perfection mass gainer flavour isn't just a treat for your taste buds - it's a deliciously creamy escape into indulgence with every sip, all while you are fueling your body for mass gain and muscle recovery Optimal Timing for Maximum Impact: Consume Instant Mass Heavyweight high protein shake between meals for a positive nitrogen balance, 20-30 minutes post workout for best results or 45-60 minutes before sleep to aid overnight muscle maintenance Trusted Quality Assurance: Reflex Nutrition's promise to quality means whey protein powder from grass-fed cows - Protein Sources are Glutamine Peptides, Whey Protein Concentrate, Milk Protein, Hydrolysed Whey Protein Produced in an Informed Sport Registered Facility - Suitable for vegetarians and Halal certified - Zero added sugars, artificial colors, or soy protein, assuring a conscientious choice of weight gainer for your muscle-building objectives
£51.26
Shipping: Free
Amazon
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