Best Whey Gainer Test 2026

Advertising Disclosure

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

Show more

14% 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.

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**

73,27 € 84,99 €(14% Off off)
02

ESN

ESN Massive Weight Gainer, 4000 g FID36686

Show more
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

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 €
03

Mammut Nutrition

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

Show more

19% 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.

Show more
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)
Value for Money

04

Mammut Nutrition

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

Show more

23% 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

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)
05

Optimum Nutrition

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

Show more

14% 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.

Show more
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.

42,91 € 49,99 €(14% Off off)
06

Optimum Nutrition

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

Show more

18% 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.

Show more
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.

41,09 € 49,99 €(18% Off off)
07

ESN

ESN Massive Weight Gainer, 4000 g FID36686

Show more
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

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

47,40 €
08

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

Show more
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.

Show more
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.

46,33 €
09

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

Show more

11% Off
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.

Show more
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.

44,53 € 49,99 €(11% Off off)
10

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

Show more

36% Off
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.

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.

40,39 € 63,35 €(36% Off off)