10 bestValue Weight Gainerof December 2025
112M consumers helped this year.
15% off
1

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

9.9
14% off
2

Optimum Nutrition Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins & Minerals, High Calorie Mass Gainer, Chocolate Flavour, 8 Servings, 2.73kg, Packaging May Vary
Optimum Nutrition

9.8
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

9.7
4

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 (Vanilla Ice Cream)
Boditronics

9.4
5

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

9.2
OtherUp to 21% off
6

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

8.9
6% off
7

USN Hyperbolic Mass French Vanilla 2kg: High Calorie Mass Gainer Protein Powder for Muscle Building and Weight Gain - Improved Formula & Flavour with 7.5g Creatine Monohydrate and Less Sugar
USN

8.6
19% off
8

Myprotein Impact Whey Weight Gainer Protein (2.5kg (Pack of 1), Chocolate Smooth)
Myprotein

8.3
9

Mutant Mass Extreme Gainer Whey Protein Powder, Build Muscle Size & Strength with High-Density Clean Calories, 12 lbs. (5.45 kg) (Vanilla Ice Cream)
Mutant

8.0
6% off
10

Vegan Gainz 4kg - Plant Based Protein Powder - Weight Gainer- 32 Servings & 30g Protein Per Serving - The Bulk Protein Company (Chocolate)
The Bulk Protein Company

7.7
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