Best Mass Gainer 2025

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Last Updated - 26.07.2025

Best Choice

01

Weider

Weider Mega Mass 4000 Weight Gainer Shake for Growth, Chocolate, with Protein, Creapure Creatine Monohydrate, Complex Carbohydrates, Vitamins and Minerals – the Perfect Muscle Building Shake, 7 kg

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12% Off
9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Upgrade your performance: The daily intake of 3 g creatine increases physical performance during speed strength training as part of short-term intensive physical activity.
Quality promise: Sports and health are our passion. Our mission is to provide our highly valued, loyal customers with the best possible quality products.
Optimal solution for the hard gainer: With its high-calorie and protein-rich formula, our Mega Mass 4000 Weight Gainer is the ideal complement for muscle building and weight gain.
First-class composition: Our Mega Mass 4000 is rich in high-quality protein (whey, casein, chicken egg), complex carbohydrates and important micronutrients.
Extremely delicious: Whether chocolate, vanilla or strawberry, the classic milkshake flavours have never been so delicious and creamy. The powder tastes absolutely delicious in both milk and water.

89,10 € 102,20 €(12% Off off)
02

Body Attack Sports Nutrition

Body Attack Power Weight Gainer Banana 1 x 1.5 kg 31438

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Valuable: high-quality carbohydrates from maltodextrin are quickly absorbed and fill the glycose storage. The high calorie density is ideal for hard gainers and anyone who wants to gain weight.
Quality: the instant weight gainer for mass and muscle building is of course made in Germany. In addition, our mass gainer protein powder is gluten-free, low-fat and aspartame-free.
Power: the mass gainer with amino acids as well as protein from whey and casein offers you power during or after your workout. This calorie shake is also suitable as a delicious snack
Nutritional values: carbohydrates, proteins, vitamins and BCAA await you in every creamy drink stirred. We recommend you daily 2 calorie-rich protein shakes of 50 g dissolved in 500 ml milk.
Effective: our weight gainer powder has an extra high proportion of carbohydrates and protein. The combination of amino acids and whey protein supports you during muscle building training

60,95 €
Value for Money

03

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Cookies and Cream, 8 Servings, 2.73kg, packaging may vary

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22% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supplied as instant powder. Simply mix with water for a delicious and calorie-rich post-workout drink or take it between meals to promote muscle growth.
Provides calories: promotes muscle mass increase and replenishes the body's glycogen stores.
Packaging can vary – updated look, same trusted quality.
No added sugar: Contains 24 vitamins and minerals per serving.
Muscle-building preparation with 1,250 calories and 50 g of protein per serving and less than 5 g of fat.
Great value for money: Serious Mass protein powder has a high calorie content and contains high-quality protein.

38,50 € 49,99 €(22% Off off)
04

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 8 Servings, 2.73kg, packaging may vary

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22% Off
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supplied as instant powder. Simply mix with water for a delicious and calorie-rich post-workout drink or take it between meals to promote muscle growth.
Provides calories: promotes muscle mass increase and replenishes the body's glycogen stores.
Packaging can vary: updated look, same trusted quality.
No added sugar. Contains 24 vitamins and minerals per serving.
Muscle-building preparation with 1,250 calories and 50 g of protein per serving and less than 5 g of fat.
Great value for money: Serious Mass protein powder has a high calorie content and contains high-quality protein.

38,50 € 49,99 €(22% Off off)
05

Premium Body Nutrition

Premium Body Nutrition Weight Gainer Cookies and Cream 3kg Container New Improved Flavour

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Protein contributes to the growth of muscle mass and the maintenance of normal bones
PBN Weight Gainer Biscuit 3kg Container
New improved taste
Ideal for athletes who have trouble gaining weight and increasing muscle mass
Can be taken before, during and after training

21,78 €
06

ESN

ESN Massive Weight Gainer, 4000 g FID36687

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Protein source: with a serving of 150 g, our weight gainer provides you with 22 grams of protein made from high-quality whey protein powder
Made in Germany: The ESN Massive Weight Gainer is produced in our in-house production in Germany in compliance with the strictest quality standards
Delicious taste: vanilla ice cream or chocolate cream – two excellent flavours with a sweet note and all without aspartame to support your weight gain
CARBOHYDRATE SUPPLY: The ESN Massive Weight Gainer provides you with carbohydrates from natural products such as whole grain rice flour, buckwheat flour or quinoa flour

49,90 €
07

MUTANT

Mutant Mass (Cookie and Cream, 5 lbs)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

WEIGHT GAINER | Multi-award winning weight gainer protein powder, sold in over 100 countries, delivers more than 1,100 specifically tailored calories per serving, with 52% less sugar than previous formulations.
No hidden ingredients: this MUTANT Mass has no hidden or unspecified ingredients. The list of ingredients lists everything that is included in MUTANT Mass. Try this powder in one of our 6 addictive gourmet flavours!
Balanced diet: This weight gainer contains heavy 192 grams of pure carbohydrates (including complex carbohydrates from whole foods [barley starch, sweet potato, oatmeal]), firm-boiling corn, MCTs and other high-quality ingredients that provide you with more than 1,100 specially tailored calories per serving and help you Rebuilbuil!
56 grams of high-quality protein. Contains a mixture of whey protein and casein that helps the toughest mutants build the desired muscle mass and size
36 grams of the best weight gainer. Each MUTANT Mass contains 35 grams of BCAAs, EAAs and 10.4 grams of glutamine, glutamine precursor and arginine. This helps you build mass!

31,82 €
08

Mammut Nutrition

Mammut Nutrition Crash Weight Gainer Powder Vanilla - 1.4 kg - 518 kcal/Shake for Weight Gain - 80% Carbohydrates - 4-Component Protein - Ideal for Endurance and Performance Athletes

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ideal for endurance and performance athletes – even athletes in the strength and endurance range rely on a targeted carbohydrate supply. Successful performance and endurance athletes know what important role carbohydrates play in their diet
High carbohydrate content with 80 percent carbohydrates – in order to gain weight or mass, a positive energy balance must be achieved, the body must be supplied daily more energy through e.g. carbohydrates than it consumes
Contribution to weight gain – especially "hard gainers", i.e. athletes who can gain weight by nature should use this carbohydrate megabooster
868 KCAL PRO 2 SHAKES – For a shake, mix 70 g Weight Gainer Crash 5000 with 250 ml milk (3.5 percent) and enjoy it before or after training. Depending on calorie needs and training intensity, up to 3 shakes per day can be drunk
3-component carb complex and 4-component protein complex – with optimally coordinated carbohydrates such as dextrose and maltodextrin as well as the 4-component protein complex of soy, chicken, whey and milk protein

18,59 €
09

MUTANT

Mutant MUTANT Mass Extreme 2500, Triple Chocolate, 2720 g

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

MADE WITH NATURAL WHOLE FOODS | Barley, sweet potato, rolled oats, avocado, coconut oil, pumpkin seeds.
EXTREMELY HIGH CALORIE WEIGHT GAIN | 1,270 calories per serving (4 scoops) mixed two cups of 1% milk. Two daily servings deliver 2,540 calories.
EACH SERVING DELIVERS | 46 grams of 100% pure whey protein, 255 grams of carbohydrates, 7.5 grams of fat per serving (4 scoops) mixed with two cups of 1% milk. Naturally high in BCAAs, EAAs, glutamine and other amino acids needed to support muscle growth from hard training.
CRASH WEIGHT GAIN | Made for extreme hard gainers looking to add serious MASS!
100% gourmet button

32,50 €
10

OLIMP SPORT NUTRITION

Olimp Gain Bolic 6000 Bag Mass Gainer Supplement, Chocolate 1kg

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Three protein sources (without plant proteins) that contribute to an increase in muscle mass and its maintenance
The formula supplemented with creatine and taurine
A blend of dextrose and maltodextrins with variable uptake kinetics that delivers energy

14,99 €