Mass Gainer Deals UK
Large bags make headline prices hard to compare. Judge current deals by size, serving data and price per 100g.
How much protein do you want per day from powders?
Bulk  In StockBuy From: DescriptionDescriptionMass GainerBUILD STRENGTH FOR REAL RESULTS The ultimate way to build serious muscle¹, Mass Gainer is powered by up to 43g protein per serving. It’s our most-popular weight-gain formula that helps you achieve the growth you want. Mass Gainer is a 4.4-star favourite among over 2,000 customers — “Helped me up my calories intake & put on consistent weight while I’m bulking” Build and maintain muscle mass² with a powerful formula packed with over 500 calories per serving. Perfect for intense bulking programmes, it combines premium proteins, high-quality carbs and added leucine. Make it your weapon to gain serious weight. Our Mass Gainer is designed for effective bulking, made with premium quality proteins, carbs, and leucine. It’s built to fuel muscle growth with the best ingredients. Our expert team is made of athletes, scientists and nutritionists. We use advanced equipment in our state-of-the-art facility to guarantee our products meet the highest standards. Every product is thoroughly tested by gym-goers to make sure you get the best experience with Bulk.
¹Protein contributes to a growth in muscle mass. ²Protein contributes to the maintenance of muscle mass. Mass gainer shakes are high-calorie nutritional supplements designed to help people increase their daily calorie intake — especially useful for those who find it difficult to gain weight or build muscle through food alone. This makes them very popular for gym-goers with a fast metabolism and anyone with a small appetite in the morning. High quality gainers typically contain a balanced ratio of protein and carbohydrates to support increased energy intake. Most mass gainers include a mix of fast- and slow-digesting proteins, such as whey protein concentrate (fast) and milk protein concentrate (slower). This combination provides a steady release of amino acids to the body over time. Instead of relying on sugar-based carbohydrates, most high-quality formulas rely on ingredients like fine oats. These provide a more sustained energy release and avoid a short term spike in blood sugar. Mass gainer shakes are generally recommended for individuals with higher energy needs — such as athletes or anyone on a structured bulking plan. They’re also useful when it’s challenging to meet calorie requirements through whole foods alone. "Formulated with your goals in mind. Mass Gainer is a rich source of protein and carbs - but from quality sources. No fillers or added sugars in our Mass Gainer, making it a great addition to your diet when training to gain muscle mass" - Rowan Cooke, Head of Innovation IngredientsIngredientsUltra Fine Oats, Milk Protein Concentrate, Whey Protein Concentrate (Milk), Reduced Fat Cocoa Powder, Glutamine Peptides (Wheat), L-Leucine, Flavourings, Sweetener (Sucralose), Emulsifier (Sunflower Lecithin). Suitable ForHalal,Vegetarian Allergen adviceFor allergens, including cereals containing gluten, see ingredients in bold. May contain soya, other cereals containing gluten, mustard, sesame seeds, sulphur dioxide and sulphites. StorageStore in a cool dry place. Reseal pouch after use. Advisory InformationFood supplements are not intended to replace a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended usage. Keep out of reach of children. Although every care has been taken to keep product information up to date on our website, please always read the information provided on product label or packaging before use. The actual results of consuming dietary supplements may differ from those implied. Individuals may respond differently, and the suggested results presume appropriate nutrition and training plan. Nutritional Information
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Bulk  In StockBuy From: DescriptionDescriptionBreakfast Smoothie
Kickstart your morning with our Breakfast Smoothie. It’s a delicious, high-protein drink made with real fruit pieces and natural freeze-dried fruit. Each serving delivers 24g whey protein and 3.5g fibre — a fruity, filling way to fuel your day. Packed with high-quality whey protein, ultra-fine oats, and DigeZyme® digestive enzymes, it’s designed to support protein digestion and provide slow-release energy. Natural fruit powders and freeze-dried pieces lock in real fruit goodness, while Blueberry & Raspberry and Strawberry & Banana flavours make it a tasty choice every morning. For an extra flavour boost, try mixing in our Zero Calorie Syrup™. Our Breakfast Smoothie™ delivers 24g whey protein and 3.5g fibre per serving. It’s made with real fruit pieces, freeze-dried powder, and ultra-fine oats for slow-release energy. Available in Blueberry & Raspberry or Strawberry & Banana, it’s a tasty, high-protein way to start your day. Our Breakfast Smoothie is formulated to deliver balanced morning nutrition in seconds. Each batch is carefully blended and tested for taste, texture, and ingredient quality. It combines protein, complex carbs, and fibre for a high-performance breakfast. Our expert team is made of athletes, scientists and nutritionists. We use advanced equipment in our state-of-the-art facility to guarantee our products meet the highest standards. Every product is thoroughly tested by gym-goers to make sure you get the best experience with Bulk.
¹ Protein contributes to the growth and maintenance of muscle mass. “Breakfast Smoothie is the ideal morning shake for those who are looking to boost protein intake. It’s a super convenient option for those with limited time, but want a well rounded, nutritious shake. We’ve combined Whey Protein with Oats, Freeze Dried Fruits, Fibre and Digestive Enzymes in one convenient, tasty shake.” Rowan Cooke, Head of Innovation IngredientsIngredientsWhey Protein Concentrate (Milk), Ultra Fine Oats, Freeze Dried Blueberry Pieces, Freeze Dried Blueberry Powder, Freeze Dried Raspberry Powder, Psyllium Husks Powder, Flavouring, Thickener (Xanthan Gum), Sweetener (Sucralose), DigeZyme® Enzyme Complex (Amylase, Protease, Cellulase, Lactase, Lipase). Suitable ForHalal,Vegetarian Allergen adviceFor allergens, including cereals containing gluten, see ingredients in bold. May contain soya, other cereals containing gluten, mustard, sesame seeds, sulphur dioxide and sulphites. StorageStore in a dry cool place. Reseal pouch after use. Advisory InformationAlthough every care has been taken to keep product information up to date on our website, please always read the information provided on product label or packaging before use. Nutritional Information
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MyProtein  DescriptionOur Clear Whey Mass Gainer is the ultimate weight gainer supplement. Light and refreshing, it packs 35g of protein and over 471 calories per serving. IngredientsIngredients: Carbohydrate Blend (52%) (Maltodextrin, Potato Starch), Hydrolysed Whey Protein Isolate (Milk) (32%) (contains Canola Oil, Anti-Foaming Agent (Silicon Dioxide)), MCT Powder (7%) (Medium Chain Triglycerides (Palm Kernel Oil), Milk Proteins, Stabiliser (Dipotassium Phosphate)), L-Glutamine, Creatine Monohydrate, Natural Flavouring, Apple Juice Powder, Sweeteners (Sucralose, Acesulfame K), Vitamin and Mineral Blend (Magnesium Oxide, Vitamin C, Ferrous Fumarate, Vitamin E, Niacin, Zinc Oxide, Vitamin A, Potassium Iodide, Vitamin B12, Folic Acid, Vitamin D3, Vitamin B6, Thiamin, Riboflavin), Anti-Foaming Agents (Dimethyl Polysiloxane, Silicon Dioxide), Spirulina Extract, DigeZyme™ (Alpha-Amylase, Protease, Lactase, Cellulase, Lipase), Curcuma Oil Extract. Nutritional Information
Refer a Friend ★ Get £15 credit when you spend £45 on your first order.— Help support the website Promo Codes 10% off Orders at Myprotein Promo Codes Up to 15% off Orders at Myprotein Promo Codes 10% off Orders at Myprotein Promo Codes 15% off Orders Over £50 at Myprotein Promo Codes 8% off Orders at Myprotein Promo Codes Up to 20% off Orders Over £50 at Myprotein Promo Codes 15% off First Orders at Myprotein Promo Codes Exclusive12% off Orders at Myprotein
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MyProtein  FlavourSizeTotal Per serving servings Per 100g Per 1g protein 2033.0g451£2.175 27g361£1.74 13.37£0.064 DescriptionOur Advanced Weight Gainer is the ultimate weight-gain formula packed with 35g protein per serving and 61g carbs to help you bulk up fast. Free UK delivery. IngredientsIngredients: Carbohydrate Blend (48%) (Maltodextrin, Fructose, Oat Flour), Protein Blend (31%) (Whey Protein Concentrate (Milk), Whey Protein Isolate (Milk), Milk Protein Concentrate, Calcium Caseinate (Milk)) (contains Emulsifiers (Soya Lecithin, Sunflower Lecithin)), MCT Powder (5%) (Medium Chain Triglycerides (Palm Kernel Oil), Milk Proteins, Stabiliser (Dipotassium Phosphate)), L-Glutamine (4%), Creatine Monohydrate (4%), Fat Reduced Cocoa Powder, Flaxseed Powder (3%), Flavouring, Thickener (Xanthan Gum), Sweetener (Sucralose), Vitamin and Mineral Blend (Magnesium Oxide, Vitamin C, Ferrous Fumarate, Vitamin E, Niacin, Zinc Oxide, Vitamin A, Potassium Iodide, Vitamin B12, Folic Acid, Vitamin D3, Vitamin B6, Vitamin B1, Riboflavin), DigeZyme™ (Alpha-Amylase, Protease, Lactase, Cellulase, Lipase). Nutritional Information
Refer a Friend ★ Get £15 credit when you spend £45 on your first order.— Help support the website Promo Codes 10% off Orders at Myprotein Promo Codes Up to 15% off Orders at Myprotein Promo Codes 10% off Orders at Myprotein Promo Codes 15% off Orders Over £50 at Myprotein Promo Codes 8% off Orders at Myprotein Promo Codes Up to 20% off Orders Over £50 at Myprotein Promo Codes 15% off First Orders at Myprotein Promo Codes Exclusive12% off Orders at Myprotein
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MyProtein  DescriptionImpact Whey Gainer is the ideal supplement for anyone looking to gain weight. With 388 calories per serving, it's the best mass gainer to add into your diet. IngredientsIngredients: Oat Flour (63%), Protein Blend (28%) (Whey Protein Concentrate (Milk) (contains Emulsifiers (Soya Lecithin, Sunflower Lecithin)), Milk Protein Concentrate), Maltodextrin (5%), Fat Reduced Cocoa Powder, Flavouring, Sweetener (Sucralose). Nutritional Information
Refer a Friend ★ Get £15 credit when you spend £45 on your first order.— Help support the website Promo Codes 10% off Orders at Myprotein Promo Codes Up to 15% off Orders at Myprotein Promo Codes 10% off Orders at Myprotein Promo Codes 15% off Orders Over £50 at Myprotein Promo Codes 8% off Orders at Myprotein Promo Codes Up to 20% off Orders Over £50 at Myprotein Promo Codes 15% off First Orders at Myprotein Promo Codes Exclusive12% off Orders at Myprotein
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MyProtein  FlavourSizeTotal Per serving servings Per 100g Per 1g protein 1050.0g1000£3.399 18g364£1.24 20.22£0.069 In StockBuy From: DescriptionCheck out Origin Mass Gainer from Myprotein, the World's No.1 Online Sports Nutrition Brand. Free Delivery Available. IngredientsIngredients: Carbohydrate Blend (70%) (Maltodextrin, Oat Flour, Pea Starch), Protein Blend (22%) (Milk Protein Concentrate, Whey Protein Concentrate (Milk)), Flavouring, Creatine Monohydrate, Fat Reduced Cocoa Powder, Electrolyte Blend (Sodium Chloride, Potassium Sulphates, Calcium Phosphates, Magnesium Oxide), Vitamin and Mineral Blend (Magnesium Oxide, Vitamin C, Ferrous Fumarate, Vitamin E, Nicotinamide, Zinc Oxide, Vitamin A Acetate, Potassium Iodide, Vitamin B12, Folic Acid, Vitamin D3, Vitamin B6, Thiamin, Riboflavin), Stabilisers (Xanthan Gum, Guar Gum), DigeZyme™ Patented Enzyme Complex (Alpha-Amylase, Protease, Lactase, Cellulase, Lipase), Sweetener (Sucralose). Nutritional Information
Refer a Friend ★ Get £15 credit when you spend £45 on your first order.— Help support the website Promo Codes 10% off Orders at Myprotein Promo Codes Up to 15% off Orders at Myprotein Promo Codes 10% off Orders at Myprotein Promo Codes 15% off Orders Over £50 at Myprotein Promo Codes 8% off Orders at Myprotein Promo Codes Up to 20% off Orders Over £50 at Myprotein Promo Codes 15% off First Orders at Myprotein Promo Codes Exclusive12% off Orders at Myprotein
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Bulk  FlavourSizeTotal Per serving servings Per 100g Per 1g protein 2531.0g369£1.200 31g369£1.20 11.90£0.039 In StockBuy From: DescriptionDescriptionVegan Mass GainerThe ultimate vegan-friendly formula for trainers on weight gain programmes, containing over 30g of vegan protein and 40g of complex carbohydrates per serving, plus a range of essential nutrients and supplements. The result of an intense process of research and refinement, our Vegan Mass Gainer is the very best weight gainer formula on the market, containing all the protein, carbs and calories you need in a precise formula. Our Vegan Mass Gainer uses our V+™ protein blend, containing an incredible 5 protein sources, to provide you with a complete protein intake. On top of that, we use ultra fine oats to provide a complex carbohydrate source, as well as goMCT™ vegan MCTs and digestive enzymes to reinforce your nutritional intake.
PurposeOur Vegan Mass Gainer is designed for anyone on a weight gain programme with vegan or animal-free dietary requirements, but it’s also ideal if you’re just looking to cut down your meat consumption without altering your training programme. Thanks to its high-protein content from a variety of sources, low GI carbohydrates and impressive calorie content, it’s ideal for anyone. Benefits100% Vegan Contains zero animal-sourced ingredients, so you get 100% plant-based gains. Built for Bulking Load up on calories with minimal hassle: Over 350kcal per 100g serving. Packed with Protein Each serving packs over 30g of Protein. Energy Boost 40g of carbohydrates per serving to give you the energy you need. Morning, Noon or Night Great any time of day, whatever your workout regime. IngredientsIngredientsUltra Fine Oats, V+™ Protein Blend (Pea Protein Isolate, Brown Rice Protein, Pumpkin Seed Protein, Flaxseed Powder, Quinoa Flour), Cocoa Powder, Natural Flavouring, Maca Powder, Vegan Medium Chain Triglyceride Powder (Medium Chain Triglycerides Oil, Gum Acacia), Emulsifier (Sunflower Lecithin), Sweetener (Steviol Glycosides from Stevia), DigeZyme® Enzyme Complex (Amylase, Protease, Cellulase, Lactase, Lipase). Suitable ForHalal,Vegan,Vegetarian Allergen adviceFor allergens, see ingredients in bold. May contain milk, eggs, soya, other cereals containing gluten, fish, crustaceans, molluscs, mustard, sesame, sulphur dioxide and sulphites. StorageStore in a dry cool place. Reseal pouch after use. Advisory InformationFood supplements are not intended to replace a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended usage. Keep out of reach of children. Although every care has been taken to keep product information up to date on our website, please always read the information provided on product label or packaging before use. The actual results of consuming dietary supplements may differ from those implied. Individuals may respond differently, and the suggested results presume appropriate nutrition and training plan. Nutritional Information
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Bulk  FlavourSizeTotal Per serving servings Per 100g Per 1g protein 1551.0g1007£2.933 19g373£1.09 19.63£0.057 In StockBuy From: DescriptionDescriptionBulk 1000 Mass GainerBuild the body you wantNeed extra calories for bulking season or looking to build serious muscle? Bulk 1000 Mass Gainer is a breakthrough formula that maximises your macro intake to help transform your physique. Take it daily to see steady, sustained growth*. Why do I need it?Feel stronger. Look bigger. Lift heavier. How much protein do I need?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. Why it works- BUILD AND MAINTAIN MUSCLE* - SEE LASTING RESULTS - ENERGISE LONGER LIFTING SESSIONS *Protein contributes to the growth and maintenance of muscle mass. Reviewed by experts“Bulk 1000 Mass Gainer is a new era of mass gainers for bulk. Focussing on hard gainers, we've developed a formula which provides customers with our highest calorie shake at over 1000 calories. Alongside over 50g Protein and added functional ingredients - such as a blend of vitamins & minerals, Creatine and Digestive Enzymes. This all from quality sources of protein and carbohydrates, unlike other gainers on the market which may be higher in sugar or faster digesting carbohydrates.” – Rowan Cooke, Head of Innovation IngredientsIngredientsUltra Fine Oats, Protein Blend (Whey Protein Concentrate (Milk), Milk Protein Concentrate, Emulsifier (Sunflower Lecithin)), Fat Reduced Cocoa Powder, Flavourings, Creatine Monohydrate, Medium Chain Triglycerides (MCT) Powder, Magnesium Citrate, DigeZyme® Enzyme Complex (Alpha-Amylase, Protease, Cellulase, Lactase, Lipase), Sweetener (Sucralose), Zinc Mono-L-Methionine Sulphate, Vitamin C (L-Ascorbic Acid), Vitamin D3 (Cholecalciferol (Vita-algae D®)). Suitable ForHalal,Vegetarian Allergen adviceFor allergens, including cereals containing gluten, see ingredients in bold. May contain soya, other cereals containing gluten, mustard, sesame seeds, sulphur dioxide and sulphites. StorageStore in a cool dry place. Reseal pouch after use. Advisory InformationFood supplements are not intended to replace a varied and balanced diet and a healthy lifestyle. Do not exceed the recommended usage. Keep out of reach of children. Although every care has been taken to keep product information up to date on our website, please always read the information provided on product label or packaging before use. The actual results of consuming dietary supplements may differ from those implied. Individuals may respond differently, and the suggested results presume appropriate nutrition and training plan. Nutritional Information
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Bodybuilding Warehouse  FlavourSizeTotal Per serving servings Per 100g Per 1g protein 1853.0g1059£2.499 18.9g378£0.90 20.00£0.048 In StockBuy From: DescriptionWarrior MASS has been designed to support awesome gains in muscle and mass. Protein contributes to the growth and maintenance of muscle mass. If you're an MMA fighter, boxer, rugby player or train aggressively to get REAL results from your body, Warrior MASS is for you! We know how hard you train, we know the blood, sweat and pain you've been through to get where you are. Supports LEAN Muscle Mass Perfect Post-Workout Ideal Between Meals Exceptional Clean Fuel 1000+ calories per shake!! up to 61g protein per shake!! Warrior MASS has been born out of battle. The battle to create a leading edge lean muscle gainer that utilises the most advanced ingredients ever seen in a product of this kind, period. We have included a protein blend of both Whey Protein Concentrate to provide an instant protein injection and Micellar Casein, which digests slowly over 8 hours, to give you the perfect protein profile. Super-fast acting, and super-slow, making Warrior MASS exceptional whether used as a post-workout shake to maximise gains or between meals, to support your daily nutritional needs. Carbohydrates contribute to the recovery of normal muscle function (contraction) after highly intensive and/or long-lasting physical exercise leading to muscle fatigue and the depletion of glycogen stores in skeletal muscle. We take the same approach to our carbohydrates as we do our protein - time released, making MASS perfect post-workout, between meals, or as a supplement to your diet at any time you want additional super-clean calories. From slow, low-GI Natural Ground Oats, to fast release carbohydrates like Waxymaize. Warrior MASS combines a 3-stage clean protein protocol with 3-stage clean carbs to give your body the perfect proportion of nutrients it needs to grow. Lean Carbohydrate Blend: Natural Ground Oatmeal Waxy Maize Starch Maltodextrin IngredientsIngredients: Lean Carb Blend (Fine Milled Scottish Oats, Waxy Maize Starch, Maltodextrin), Premium Protein Blend,(Whey Protein Concentrate [Milk], Micellar Casein, Milk Protein), Peptide Bonded Glutamine (Wheat), Flavouring, Sweetener (Sucralose). Allergens: Contains Dairy products and oats. Produced in an environment that also processes Milk, Egg, Soy. Wheat, Peanuts and Nuts. Nutritional Information
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