Best Mass Gainer Protein Powder of 2025
Last updated on 26/09/2025
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1
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45 kg
Optimum Nutrition
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Optimum Nutrition
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45 kg
12% OffFree Shipping
Why we love it
- Supports muscle growth and performance.
- Promotes muscle recovery after workouts.
- Comes in 6 delicious flavours.
Main Highlights
- Low fat mass gainer with over 1262 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 248 grams of CARBOHYDRATES helping support muscle recovery***
- Serious Mass protein powder comes in 6 flavours (banana, chocolate peanut butter, chocolate, cookies & cream, strawberry 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
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Value for Money
2
Reflex Nutrition One Stop® Xtreme - Serious Mass Gainer - All in One Protein Powder - 55g Protein, 10.3g BCAAs, 5,000mg Creatine - Muscle Building Protein Shake (Vanilla Ice Cream, 4.35kg)
Reflex
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Reflex
Reflex Nutrition One Stop® Xtreme - Serious Mass Gainer - All in One Protein Powder - 55g Protein, 10.3g BCAAs, 5,000mg Creatine - Muscle Building Protein Shake (Vanilla Ice Cream, 4.35kg)
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Why we love it
- Optimal muscle-building protein blend.
- Includes digestive enzymes, vitamins.
- Grass-fed, hormone-free ingredients.
Main Highlights
- All-in-One Weight Gainer To Simplify Your Supplement Routine: One Stop Xtreme has been formulated to replace the use of numerous supplements, allowing you to take only one protein shake to support muscle growth alongside a balanced healthy diet
- High-performing Weight Gain Shake: One Stop Extreme high protein powder delivers a hit of protein, creatine, BCAAs and other beneficial nutrients to bodybuilders looking to make gains - contributing to the growth and maintenance of muscle mass
- Boosting Stregth and Endurance: Reflex mass gainer protein powder contains creatine, that increases physical performance in successive bursts of short-term, high intensity exercise - With LAB2PRO friendly bacteria and Digezyme digestive enzymes
- Nutritional Excellence: contains L-Leucine, Beta Alanine, Betaine Anhydrous and Taurine, along with essential vitamins and minerals aiding the maintenance of normal protein synthesis, function of the immune system and testosterone production
- Premium Ingredients: Reflex only uses whey protein sourced from grass-fed cows, ensuring a high-quality weight gain protein powder that mixes well, with a smooth texture and a delicious taste
- Produced in an Informed Sport Registered Facility: Suitable for vegetarians and Halal certified - Hormone-free, zero added sugars, artificial colors or soy protein, assuring a conscientious choice of food supplements for weight gain
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3
USN Hyperbolic Mass Dutch Chocolate 6kg: High Calorie Mass Gainer Protein Powder for Muscle Building and Weight Gain - Improved Formula & Flavour with 7.5g Creatine Monohydrate and Less Sugar
USN
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USN
USN Hyperbolic Mass Dutch Chocolate 6kg: High Calorie Mass Gainer Protein Powder for Muscle Building and Weight Gain - Improved Formula & Flavour with 7.5g Creatine Monohydrate and Less Sugar
9% OffFree Shipping
Why we love it
- Enhances muscle mass effectively.
- Offers nutritional weight gain.
- Delicious chocolate flavor.
Main Highlights
- Our best mass gainer yet: Our best-tasting mass gainer is for those who want to increase their muscle mass, but don't want to compromise on the taste of their protein drink.
- High calorie bulk powder: With up to 1183 calories our all-in-one mass and weight gainer is ideal for individuals who struggle to gain muscle mass and want a fast-acting, easy-mixing and effective formula.
- Amazing taste, great results: The improved formula of our delicious chocolate flavour mass gainer contains natural cocoa, with a smoother taste - all delivered with less Sugar.
- A weight gainer with nutrition: Our mass protein powder contains a massive 60g of protein per serving, partnered with 7.5g of Creatine and 18 vitamins and minerals (B12, B6, C, Magnesium, Iron) to help you be at your best.
- For best results: To get the best results from Hyperbolic Mass, take 1 servings daily, either after training or as a snack between meals. Simply mix 4 scoops (300g) of the protein powder with 900ml of cold water and enjoy.
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4
Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight-Gainer Pulver + Kohlenhydrate, BCAAs und Casein
Dymatize
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Dymatize
Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight-Gainer Pulver + Kohlenhydrate, BCAAs und Casein
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Why we love it
- Premium mass gainer for bulking.
- Promotes muscle growth and maintenance.
- High-quality protein, low in sugars.
Main Highlights
- 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
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5
XL Nutrition Xtra Mass 5.2kg Mass Gainer - Serious Mass Protein Powder - 50g Protein, 1000 Calories, Creatine Monohydrate, BCAA, Glutamine - 20 Servings, Strawberry Flavour
XL Nutrition
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XL Nutrition
XL Nutrition Xtra Mass 5.2kg Mass Gainer - Serious Mass Protein Powder - 50g Protein, 1000 Calories, Creatine Monohydrate, BCAA, Glutamine - 20 Servings, Strawberry Flavour
Why we love it
- Packed with 1000 extra calories.
- Enriched with 172g carbohydrates.
- Boosted with 50g protein.
Main Highlights
- Extra calories for muscle growth: This weight gainer provides 1000 calories per serving, ideal for those seeking serious mass protein powder options. It offers a convenient shake alternative to meet your caloric intake goals efficiently.
- Carbs for energy: With 172g of carbs per serving, this weight gain protein powder supports your body's energy needs. It's a key component in our mass protein powder, fueling your workouts and aiding digestion.
- High protein content: Delivering 50g per serving, this is the best protein powder for muscle gain. It supports muscle repair and growth, making it an essential part of any bulking protein powder regimen.
- Enriched with BCAA's and glutamimne: Loaded with BCAAs and glutamine, this 5kg protein powder helps reduce muscle soreness and fatigue, supporting muscle gain and recovery post-workout. It's a top choice for serious mass.
- Creatine for stregnth: Added creatine mono hydrate makes this bulk pure whey protein powder perfect for doubling your strength and lean muscle gains, enhancing the effectiveness of your gym protein powder routine.
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6
Out Angled Method Mass Gainer Powder, Tropical Banana 6kg 100 Scoops | High Calorie Whey Protein Powder Weight Gainer for Muscle Growth
OUT ANGLED
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OUT ANGLED
Out Angled Method Mass Gainer Powder, Tropical Banana 6kg 100 Scoops | High Calorie Whey Protein Powder Weight Gainer for Muscle Growth
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Why we love it
- Protein aids post-workout recovery.
- Carbs provide sustained energy.
- Boosts daily calorie intake.
Main Highlights
- High-Quality Protein Source - A mass gainer supplement containing whey protein, derived from milk, provides a rich source of essential amino acids. Whey protein powder is well-known for its rapid absorption, making it an excellent choice for post-workout recovery and muscle growth.
- Balanced Carbohydrate Blend - The combination of maltodextrin, dextrose monohydrate, waxy maize, and fine oats creates a balanced carbohydrate blend with high calories. These complex and simple carbohydrates provide sustained energy, making them suitable for athletes and bodybuilders who need to refuel after intense workouts.
- Enhanced Caloric Intake - Mass gainer supplements are designed to help individuals with high-calorie needs gain and maintain muscle growth. The inclusion of whole milk powder contributes to the supplement's overall caloric content, making it a convenient way to boost daily calorie intake for those seeking to gain weight.
- Convenient for Bulking - This supplement is particularly beneficial for individuals in the bulking phase of their fitness journey. With a combination of whey protein and carbohydrates, it can help users meet their daily nutritional goals and support muscle growth.
- Gluten Alert - It's important to note that the supplement may contain gluten due to the inclusion of fine oats.
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7
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Vanilla, 8 Servings, 2.73 kg, Packaging May Vary
Optimum Nutrition
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Optimum Nutrition
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Vanilla, 8 Servings, 2.73 kg, Packaging May Vary
11% OffFree Shipping
Why we love it
- Boosts muscle growth and performance.
- Supports muscle recovery effectively.
- Delicious variety of flavours.
Main Highlights
- CALORIE RICH PROTEIN SOURCE – the ultimate gainer powder which can be used post-workout or between meals
- SUPPORTS SERIOUS SIZE – great for those aspiring to be bigger, for those who find it hard to gain weight / muscle, or for those on the go who have high caloric needs due to intense training
- 1,255-1272 CALORIES per serving – when mixed with water
- 50 g – 53 g PROTEIN per serving
- 250 g+ CARBOHYDRATES per serving
- ADDED CREATINE, L-GLUTAMINE & GLUTAMIC ACID
- INSTANTISED POWDER – helps the powder dissolve easily and mixes well in a blender with other ingredients such as fruit and nut butters for added calories
- 24 VITAMINS & MINERALS per serving
- NO ADDED SUGAR
- AVAILABLE IN 6 LB TUBS OR 12 LB BAGS
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8
The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA
The Bulk Protein Company
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The Bulk Protein Company
The Bulk Protein Company - Serious Gainz – Mass Gainer Protein Powder – Banana 5kg, B142-BA
6% OffFree Shipping
Why we love it
- Optimal for muscle recovery and growth.
- Promotes mass gain efficiently.
- Amazing taste with variety.
Main Highlights
- 30g PROTEIN PER SERVING TO HELP BUILD MUSCLE - Protein Isolate powder that contains 30 grams of high quality Protein per serving. A convenient and easy way to help you meet your daily protein needs. Use after training to quickly heal micro-tears in muscle tissues, which speeds up recovery, reduces muscle soreness and leads to stronger and bigger muscles over time
- PUT ON SIZE AND GAIN MASS - With 468 lean calories per serving, Serious Gainz protein powder is ideal when BULKING. Use as part of a balanced diet to help add body mass and increase weight gain. Contains 81g of carbohydrates which will help your body absorb the protein within, turning it into muscle mass to help towards improving your overall body composition
- PROTEIN SHAKE THAT TASTES GREAT - Add 3 scoops of powder to 400-500ml of water or milk and mix well to create a great tasting Protein Shake! Can also be enjoyed in smoothies, with oats or when added to a pancake mix. Protein powders don't have to be boring, so we made 10 different flavours for you to choose from
- HIGH QUALITY WHEY PROTEIN - Whey digests quickly and is rich in branched-chain amino acids (BCAAs). One of these BCAAs, Leucine, plays a major role in promoting muscle growth and recovery after resistance and endurance exercise. When amino acids are digested and absorbed into your bloodstream, they become available for muscle protein synthesis, which is the creation of new muscle
- EXCELLENT VALUE 5kg TUB WITH 40 SERVINGS - With up to a month's supply of high quality protein powder, we offer great value for your money compared with other brands. We recommend one serving per day to consistently meet your daily protein goal. Consume immediately post-training on workout days and between breakfast and lunch on non-workout days. Comes with scooper for measurements
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9
Myprotein Impact Whey Weight Gainer Protein (2.5kg (Pack of 1), Chocolate Smooth)
Myprotein
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Myprotein
Myprotein Impact Whey Weight Gainer Protein (2.5kg (Pack of 1), Chocolate Smooth)
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Why we love it
- Promotes healthy weight gain.
- Provides high-quality protein.
- Convenient and redesigned packaging.
Main Highlights
- 31g of protein
- 50g of carbs
- 388 calories per serving
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10
MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 2270g - Vanilla Ice Cream
Mutant
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Mutant
MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 2270g - Vanilla Ice Cream
Why we love it
- Perfect for Weight Gain.
- Supports Muscle Growth.
- Quality from Mutant Brand.
Main Highlights
- LEAN GAINER | Our Mass has 56 g of 100% pure protein, 192 g of clean carbs with 12 g of fat plus naturally present 26.1 g of EAAs and 12.2 g of BCAAs.
- ENHANCED GAINER SUPPLEMENT | Mutant’s most popular weight gainer supplement that is packed with BCAAs/EAAs and waxy maize to help with growth and bulking.
- PROTEIN CONTENT | It offers 1100 calories per serving plus 56 g of quality protein from whey isolate, concentrate and casein blend.
- Made with Natural Whole Foods | Made from natural whole-foods to include barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed and sunflower oil.
- GOURMET TASTE | Engineered in our own state-of-the-art manufacturing facility to maintain gold-standard quality and it comes with a great Gourmet taste.
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