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10 bestRated Weight Gainerof December 2025

112M consumers helped this year.

1

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Strawberry, 8 Servings, 2.73 kg, Packaging May Vary

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Strawberry, 8 Servings, 2.73 kg, Packaging May Vary

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Strawberry, 8 Servings, 2.73 kg, Packaging May Vary

Optimum Nutrition

9.9

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15% off

2

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

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

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

Optimum Nutrition

9.8

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15% off

3

The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Salted Caramel, 5kg)

The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Salted Caramel, 5kg)

The Bulk Protein Company, SERIOUS Gainz - Whey Protein Powder - Weight Gain, Mass Gainer - 30g Protein Powders (Salted Caramel, 5kg)

The Bulk Protein Company

9.7

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11% off

4

USN Hyperbolic Mass French Vanilla 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 Hyperbolic Mass French Vanilla 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 Hyperbolic Mass French Vanilla 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

9.4

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5

Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Chocolate Perfection, 2 kg)

Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Chocolate Perfection, 2 kg)

Reflex Nutrition Instant Mass Heavyweight - Mass Gainer - Over 1000 Kcal per Serving, 60g Protein, Creatine - High Calorie Post Workout or Before Bed Protein Shake (Chocolate Perfection, 2 kg)

Reflex

9.1

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OtherRelated productsUp to 21% off

Bulk Essential Mass Gainer, Protein Shake for Weight Gain, Vanilla, 2.5 kg, 20 Servings, Packaging May Vary

Bulk Essential Mass Gainer, Protein Shake for Weight Gain, Vanilla, 2.5 kg, 20 Servings, Packaging May Vary

Mutant Mass Weight Gainer Shake Powder, Vanilla Ice Cream, 6.8kg

Mutant Mass Weight Gainer Shake Powder, Vanilla Ice Cream, 6.8kg

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 (Chocolate Perfection, 2.03kg)

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 (Chocolate Perfection, 2.03kg)

ProDog Muscle+ Dog Weight Gainer | 76% Protein Per Scoop - 60 Servings | Must Have For Dogs Struggling To Gain Weight | Aids Injury Recovery | Perfect for Fussy Eaters, Underweight, Malnourished Dogs

ProDog Muscle+ Dog Weight Gainer | 76% Protein Per Scoop - 60 Servings | Must Have For Dogs Struggling To Gain Weight | Aids Injury Recovery | Perfect for Fussy Eaters, Underweight, Malnourished Dogs

6

MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 6.8 Kg (15 lb) - Cookies and Cream

MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 6.8 Kg (15 lb) - Cookies and Cream

MUTANT Mass Weight Gainer Protein Powder with a Whey Isolate, Concentrate, and Casein Protein Blend, for High-Calorie Workout Shakes, Smoothies and Drinks, 6.8 Kg (15 lb) - Cookies and Cream

Mutant

8.8

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14% off

7

Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight Gainer Powder + Carbohydrates, Creapure Creatine, BCAAs, Casein

Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight Gainer Powder + Carbohydrates, Creapure Creatine, BCAAs, Casein

Dymatize Super Mass Gainer Gourmet Vanilla 2943g - Weight Gainer Powder + Carbohydrates, Creapure Creatine, BCAAs, Casein

Dymatize

8.6

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37% off

8

MyProtein Weight Gainer Supplement, 2.5 kg

MyProtein Weight Gainer Supplement, 2.5 kg

MyProtein Weight Gainer Supplement, 2.5 kg

Myprotein

8.3

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9

Warrior Mass Protein Powder – 5kg – Serious Mass Gainer – High Calorie, Weight Gain Supplement – 61g of Protein, 18 Servings, 1000+ Calories Shake, Supports Muscle Growth (Double Chocolate, 5kg)

Warrior Mass Protein Powder – 5kg – Serious Mass Gainer – High Calorie, Weight Gain Supplement – 61g of Protein, 18 Servings, 1000+ Calories Shake, Supports Muscle Growth (Double Chocolate, 5kg)

Warrior Mass Protein Powder – 5kg – Serious Mass Gainer – High Calorie, Weight Gain Supplement – 61g of Protein, 18 Servings, 1000+ Calories Shake, Supports Muscle Growth (Double Chocolate, 5kg)

Warrior

8.0

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10

Boditronics Mass Attack Heavyweight Mass Gainer Powder for High Protein and High-Calorie Weight Gainer Protein Powder with 5g Creatine, BCAA, Glutamine and Beta Alanine (Milk Chocolate)

Boditronics Mass Attack Heavyweight Mass Gainer Powder for High Protein and High-Calorie Weight Gainer Protein Powder with 5g Creatine, BCAA, Glutamine and Beta Alanine (Milk Chocolate)

Boditronics Mass Attack Heavyweight Mass Gainer Powder for High Protein and High-Calorie Weight Gainer Protein Powder with 5g Creatine, BCAA, Glutamine and Beta Alanine (Milk Chocolate)

Boditronics

7.7

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