Best Whey Gainer Test 2026

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Last Updated - 27.03.2026

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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15% 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**

53,38 € 62,80 €(15% Off off)
Value for Money

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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19% 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**

50,71 € 62,80 €(19% Off off)
03

Myprotein

Myprotein Impact Whey Gainer | Chocolate Smooth 2.5 kg | 29 g Protein | 51 g Carbohydrates | 383 kcal per serving | Ideal for Muscle Building and Mass Phase

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15% 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

MUSCLE GROWTH: Impact Whey Gainer contains a blend of fast and slow release proteins - ideal for supporting muscle maintenance and growth spread throughout the day
Increase your muscle build: Impact Whey Gainer protein powder contains a whopping 29 g of protein, 51 g of carbohydrates and 380 kcal per serving - the perfect energy source for muscle building.
Flexible: perfect for athletes, bodybuilders and active people who have difficulty absorbing enough calories via their normal diet.
EXPERT MANUFACTURED: Impact Whey Gainer is a powerful formula that combines high-quality protein and complex carbohydrates - developed for anyone who wants to build mass and strength in addition to strength training.
CREAM CHOCOLATE SMOOTH TASTE: Full-bodied, chocolaty and pleasantly creamy - ideal as a shake after training or between meals.

27,99 € 32,94 €(15% Off off)
04

Myprotein

Myprotein Impact Whey Gainer | Chocolate Smooth 2.5 kg | 29 g Protein | 51 g Carbohydrates | 383 kcal per serving | Ideal for Muscle Building and Mass Phase

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15% 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

MUSCLE GROWTH: Impact Whey Gainer contains a blend of fast and slow release proteins - ideal for supporting muscle maintenance and growth spread throughout the day
Increase your muscle build: Impact Whey Gainer protein powder contains a whopping 29 g of protein, 51 g of carbohydrates and 380 kcal per serving - the perfect energy source for muscle building.
Flexible: perfect for athletes, bodybuilders and active people who have difficulty absorbing enough calories via their normal diet.
EXPERT MANUFACTURED: Impact Whey Gainer is a powerful formula that combines high-quality protein and complex carbohydrates - developed for anyone who wants to build mass and strength in addition to strength training.
CREAM CHOCOLATE SMOOTH TASTE: Full-bodied, chocolaty and pleasantly creamy - ideal as a shake after training or between meals.

27,99 € 32,94 €(15% Off off)
05

Mammut

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

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12% 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.

46,72 € 52,99 €(12% Off off)
06

Mammut

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

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16% 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.

44,38 € 52,99 €(16% Off off)
07

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

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12% Off
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

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.

44,06 € 49,99 €(12% Off off)
08

Mammut

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
9.0

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

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)
09

Mammut

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
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

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)
10

Mammut

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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17% 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

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

20,69 € 24,99 €(17% Off off)