Best Hardgainer Test 2026

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Last Updated - 03.02.2026

Best Choice

01

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45kg, packaging may vary

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32% Off
9.8

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

To prepare the Weight Gainer, mix 2 measuring spoons with 710 ml of water or plant milk, add fruit or nut butter for a tasty and high-calorie protein smoothie after exercise or between meals
Source EFSA Journal * 2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; *** 2011; 9(7):2305
Serious Mass protein powder is available in 6 flavours (banana, chocolate peanut butter, chocolate, cookies and cream, strawberry and vanilla) and contains sweetener
Protein powder formula without added sugar with 25 vitamins and minerals and less than 5 g of fat per serving, plus over 250 g of carbonic hydrates to support muscle regeneration***
Low-fat Mass Gainer with over 1250 calories and 50 g protein per serving to support muscle growth plus* 3 g creatine monohydrate to support performance**

57,98 € 84,99 €(32% Off off)
02

Optimum Nutrition

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate, 16 Servings, 5.45kg, packaging may vary

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35% Off
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.

Show more
Main highlights

To prepare the Weight Gainer, mix 2 measuring spoons with 710 ml of water or plant milk, add fruit or nut butter for a tasty and high-calorie protein smoothie after exercise or between meals
Source EFSA Journal * 2010;8(10):1811; 2011;9(6):2203; ** 2011;9(7):2303; *** 2011; 9(7):2305
Serious Mass protein powder is available in 6 flavours (banana, chocolate peanut butter, chocolate, cookies and cream, strawberry and vanilla) and contains sweetener
Protein powder formula without added sugar with 25 vitamins and minerals and less than 5 g of fat per serving, plus over 250 g of carbonic hydrates to support muscle regeneration***
Low-fat Mass Gainer with over 1250 calories and 50 g protein per serving to support muscle growth plus* 3 g creatine monohydrate to support performance**

55,08 € 84,99 €(35% Off off)
03

Weider

WEIDER Mega Mass 4000 Weight Gainer Shake for Growth, Vanilla, with Protein, Creapure Creatine Monohydrate, Complex Carbohydrates, Vitamins and Minerals – Muscle Building Shake, 3 kg

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36% 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

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.

40,39 € 63,35 €(36% Off off)
Value for Money

04

Weider

WEIDER Mega Mass 4000 Weight Gainer Shake for Growth, Vanilla, with Protein, Creapure Creatine Monohydrate, Complex Carbohydrates, Vitamins and Minerals – Muscle Building Shake, 3 kg

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39% Off
9.4

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.

Show more
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.

38,37 € 63,35 €(39% Off off)
05

Mammut Nutrition

Mammut Nutrition Crash Weight Gainer Powder Chocolate - 4.5 kg - 518 kcal/shake for weight gain - 80% carbohydrates - 4-component protein - Ideal for endurance and performance athletes

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19% 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

Ideal for endurance and professional athletes.
High carbohydrate content with 80% carbohydrates (vanilla).
Contribution to weight gain.
3-component carbohydrate complex and 4-component protein complex.
1410 kcal per 3 shakes.

42,99 € 52,99 €(19% Off off)
06

Mammut Nutrition

Mammut Nutrition Crash Weight Gainer Powder Chocolate - 4.5 kg - 518 kcal/shake for weight gain - 80% carbohydrates - 4-component protein - Ideal for endurance and performance athletes

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23% Off
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

Ideal for endurance and professional athletes.
High carbohydrate content with 80% carbohydrates (vanilla).
Contribution to weight gain.
3-component carbohydrate complex and 4-component protein complex.
1410 kcal per 3 shakes.

40,84 € 52,99 €(23% Off off)
07

Dymatize

Dymatize Super Mass Gainer Strawberry 2943 g Weight Gainer Powder + Carbohydrates, BCAAs and Casein

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9.1

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

Specially developed for body builders, hard gainers and powerlifters and your special requirements - especially in construction, the protein weight gainer ensures an adequate calorie supply and nutrient intake
Per serving, the Super Mass Gainer provides you with up to 243 g carbohydrates, 52 g protein, 11-12 g BCAAs and 3 g fine creapure creatine as well as 5 contained vitamins that contribute to a reduction of fatigue
Our solid combination of creatine, carbohydrates, BCAAs and proteins provides valuable nutrients to meet the special requirements in the building phase
For ideal results in weight gain daily after training, mix a portion with 700 ml of water. The mass protein shake is gluten-free and also suitable for vegetarians
According to the informed choice, all substances in the Mass Gainer powder meet the highest standards - so athletes are protected over product quality, especially during the competition period

45,95 €
08

Dymatize

Dymatize Super Mass Gainer Strawberry 2943 g Weight Gainer Powder + Carbohydrates, BCAAs and Casein

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9.0

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.

Show more
Main highlights

Specially developed for body builders, hard gainers and powerlifters and your special requirements - especially in construction, the protein weight gainer ensures an adequate calorie supply and nutrient intake
Per serving, the Super Mass Gainer provides you with up to 243 g carbohydrates, 52 g protein, 11-12 g BCAAs and 3 g fine creapure creatine as well as 5 contained vitamins that contribute to a reduction of fatigue
Our solid combination of creatine, carbohydrates, BCAAs and proteins provides valuable nutrients to meet the special requirements in the building phase
For ideal results in weight gain daily after training, mix a portion with 700 ml of water. The mass protein shake is gluten-free and also suitable for vegetarians
According to the informed choice, all substances in the Mass Gainer powder meet the highest standards - so athletes are protected over product quality, especially during the competition period

43,65 €
09

SAM'S

5000 Calories Per Day - Mass Weight Gainer with Whey Protein Isolate Powder - Building Food for Maximum Fast Weight Gain - Muscle Building & Mass Building Sams Ultra Hard Gainer (Vanilla 1050 g)

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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

What is special: 100% made in Germany. The weight gain powder is delicious, very easily soluble, easy and quick to prepare. By using the protein source CFM whey protein isolate, the protein/calorie powder is biologically very high quality. The protein calorie powder with over 1057 kcal per shake is considered a high-calorie additional food. The weight gain powder is easily digestible and suitable for maintaining bones, muscle mass and muscle building.
What are you looking for: Are you looking for a muscle and mass gainer with extra many calories per shake? Our calorie shake is a dietary supplement for quick gain for regeneration or weight gain for young and old. Sams Ultra Hard Gainer is high caloric, delivers up to 5000 calories a day and ensures healthy fast weight gain and muscle building at the same time. In case of weight problems, it is considered the product for gaining.
Weight gain powder: with Sams Ultra Hardgainer as a mass build-up shake, you can avoid underweight. Sams Ultra Hardgainer delivers many easily digestible calories without fibre for maximum performance and effective mass building. Also suitable for calorie deficiency, weight loss, loss of appetite in old age and the resulting physical and mental performance losses as a high-calorie drinking food (build-up costs).
WHAT IS INSIDE: The weight gainer for gaining weight contains carbohydrates such as isomaltulose, dextrose, maltodextrin, soluble fibre (oligofructose) and the best protein CFM whey protein isolate as the only amino acids source. In addition, high-quality cream fat powder as an energy carrier. It is without sweeteners, without sugar (sucrose), gluten-free, no artificial colours, no soy protein and artificial flavours.
Use: 1 serving = 150 g (8 heaped measuring spoons) of powder with 600 ml low-fat milk in a bowl and stir in. Always put the liquid in the container first and then stir in the powder or prepare in the shaker. It tastes even better in whole milk (3.5% fat). For supplementary nutrition, drink 1-5 servings per day or simply drink the personally required calorie amount as needed.

34,00 €
10

SAM'S

5000 Calories Per Day - Mass Weight Gainer with Whey Protein Isolate Powder - Building Food for Maximum Fast Weight Gain - Muscle Building & Mass Building Sams Ultra Hard Gainer (Vanilla 1050 g)

Show more
8.6

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.

Show more
Main highlights

What is special: 100% made in Germany. The weight gain powder is delicious, very easily soluble, easy and quick to prepare. By using the protein source CFM whey protein isolate, the protein/calorie powder is biologically very high quality. The protein calorie powder with over 1057 kcal per shake is considered a high-calorie additional food. The weight gain powder is easily digestible and suitable for maintaining bones, muscle mass and muscle building.
What are you looking for: Are you looking for a muscle and mass gainer with extra many calories per shake? Our calorie shake is a dietary supplement for quick gain for regeneration or weight gain for young and old. Sams Ultra Hard Gainer is high caloric, delivers up to 5000 calories a day and ensures healthy fast weight gain and muscle building at the same time. In case of weight problems, it is considered the product for gaining.
Weight gain powder: with Sams Ultra Hardgainer as a mass build-up shake, you can avoid underweight. Sams Ultra Hardgainer delivers many easily digestible calories without fibre for maximum performance and effective mass building. Also suitable for calorie deficiency, weight loss, loss of appetite in old age and the resulting physical and mental performance losses as a high-calorie drinking food (build-up costs).
WHAT IS INSIDE: The weight gainer for gaining weight contains carbohydrates such as isomaltulose, dextrose, maltodextrin, soluble fibre (oligofructose) and the best protein CFM whey protein isolate as the only amino acids source. In addition, high-quality cream fat powder as an energy carrier. It is without sweeteners, without sugar (sucrose), gluten-free, no artificial colours, no soy protein and artificial flavours.
Use: 1 serving = 150 g (8 heaped measuring spoons) of powder with 600 ml low-fat milk in a bowl and stir in. Always put the liquid in the container first and then stir in the powder or prepare in the shaker. It tastes even better in whole milk (3.5% fat). For supplementary nutrition, drink 1-5 servings per day or simply drink the personally required calorie amount as needed.

32,30 €