10 Best weight gainers of 2026

Save up to 19% off

Best Choice

1

Optimum Nutrition
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C and Zinc for Immune Support, Vanilla, 12 Pound (Packaging May Vary)
Main highlights

High calorie and protein formula for weight gain
Provides 1,250 calories and 50g protein per 2-scoop serving along with over 250g carbs, 25 vitamins and minerals, creatine, and glutamine.

Ideal for individuals seeking calorie-dense nutrition
Perfect for those with high-calorie needs or who have difficulty gaining or maintaining weight.

Customers praise nutrient blend and versatility
Users appreciate the comprehensive nutrition and the ability to blend with fruits, peanut butter, and nuts for variety.
9.9

Exceptional

Our Rating
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Based on millions of stores and reviews

Shoppers influence our rankings
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Value for Money

2

Dymatize
Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein, Isolate, and Casein (16 Servings)

18% Off
Main highlights

High Protein Content
52 grams of protein per serving, including fast, medium, and slow digesting proteins for muscle support.

Ideal for Hard Gainers
1280 calories and 245g carbs per serving to help even the hardest gainers pack on mass.

Great Taste
Many customers praise the flavor, often comparing it to a milkshake and noting it mixes well with milk or water.
9.8

Exceptional

Our Rating

8.4
worth the money

8.4
quality of ingredients

8.2
Simple to use
3

Dymatize
Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein (8 Servings)

13% Off
Main highlights

High Caloric and Protein Content
Provides 1310 calories and 52g protein per serving for mass gain.

Ideal for Hard Gainers
Perfect for individuals struggling to gain weight or muscle mass.

Praised for Taste and Consistency
Customers appreciate the gourmet vanilla flavor and smooth mixing.
9.7

Exceptional

Our Rating

8.4
worth the money

8.4
quality of ingredients

8.2
Flavor
4

Optimum Nutrition

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Banana, 12 Pound (Packaging May Vary)

19% Off
9.4

Excellent

Our Rating

8.7
quality of ingredients

8.4
worth the money

8.4
Aroma
5

Rule 1 Proteins
Rule 1 Proteins Mass Gainer - High-Calorie Weight Gain Formula with 1,220+ Calories, 250g+ Complex Carb Blend, 40g All-Whey Protein Per Serving (8 Servings, Vanilla Crème)
Main highlights

High Calorie Formula
R1 Mass Gainer offers 1,220+ calories per serving to help you bulk up effectively.

Ideal for Weight Training
Perfect for those combining high-calorie diets with intense workouts for muscle gain.

Praised Protein Content
Customers love the 40g all-whey protein for its quality and effectiveness.
Key specs
- Carbohydrates:250g
- BCAAs:9g
- Creatine:Included
- Protein:40g
- Calories:1,220 calories
9.3

Excellent

Our Rating
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6

Naturade
Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support, Balanced Calories with Protein, Vitamins & Minerals, Vanilla - 20.3 oz
Main highlights

Effective Weight Management
Delivers 1600 calories per serving, ideal for athletes and those needing weight gain.

Ideal for Athletes and Fast Metabolisms
Perfect for bodybuilders, fast metabolism individuals, and those needing additional calories.

Praised for Appetite Increase
Customers noted increased appetite and successful weight gain.
9.2

Excellent

Our Rating

8.2
quality of ingredients

8.0
Flavor

8.0
worth the money
7

Optimum Nutrition

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate Peanut Butter, 6 Pound (Packaging May Vary)
8.9

Very Good

Our Rating
8

Dymatize
Dymatize Super Mass Gainer Protein Powder, Rich Chocolate, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein (8 Servings)
Main highlights

High Protein and Caloric Content
52 grams of protein per serving, 1280 calories, and 245g carbs per serving to support muscle growth and mass gain.

Ideal for Hard Gainers and Meal Replacement
Perfect for those struggling to gain weight or needing a high-calorie meal replacement, with 10.7 grams of BCAAs and 17 vitamins and minerals.

Smooth Texture and Good Taste
Praised for its smooth texture, good taste, and easy mixing with milk or water, making it enjoyable and convenient for daily use.
8.7

Very Good

Our Rating

8.4
worth the money

8.2
Flavor
9

BOOST
BOOST Very High Calorie Nutritional Drink – Helps Weight Gain & Maintenance - 530 Calories - 26 Vitamins & Minerals - 22 g Protein - Calorie-Dense Nutritional Drink - Chocolate - 8 fl oz (Pack of 24)
Main highlights

530 Calorie Serving for Energy and Weight Support
Each 8 fl oz serving delivers 530 calories with 22 grams of protein and 26 vitamins and minerals, ideal for those seeking a calorie-dense nutritional supplement.

Ideal for Weight Gain or Maintenance Needs
Perfect snack or mini meal for individuals looking to gain or maintain weight, offering convenient support in a ready-to-drink format.

Great Taste Praised in Nutritional Drink
Enjoyed for its great chocolate flavor, making it easy for users to meet nutritional goals without sacrificing taste.
8.6

Very Good

Our Rating
10

Mutant

Mutant Mass Extreme 2500 – High Calorie Mass Gainer Whey Protein Powder for Muscle Building and Weight Gain – Clean Calories with Whole Food Carbs - Vanilla Ice Cream 2.2 lb
8.5

Good

Our Rating

10 Best weight gainers of 2026

1

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C and Zinc for Immune Support, Vanilla, 12 Pound (Packaging May Vary)

How do we rank?

How do we rank?

Analyzing top stores

2

Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein, Isolate, and Casein (16 Servings)

8.4

8.4

8.2

3

Dymatize Super Mass Gainer Protein Powder, Gourmet Vanilla, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein (8 Servings)

8.4

8.4

8.2

4

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Banana, 12 Pound (Packaging May Vary)

8.7

8.4

8.4

5

Rule 1 Proteins Mass Gainer - High-Calorie Weight Gain Formula with 1,220+ Calories, 250g+ Complex Carb Blend, 40g All-Whey Protein Per Serving (8 Servings, Vanilla Crème)

6

Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support, Balanced Calories with Protein, Vitamins & Minerals, Vanilla - 20.3 oz

8.2

8.0

8.0

7

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate Peanut Butter, 6 Pound (Packaging May Vary)

8

Dymatize Super Mass Gainer Protein Powder, Rich Chocolate, 52g Protein, 1g Creatine, 1280 Calories, 10.7g BCAAs, 245g Carbs, Contains Whey Protein Powder, Isolate, and Casein (8 Servings)

8.4

8.2

9

BOOST Very High Calorie Nutritional Drink – Helps Weight Gain & Maintenance - 530 Calories - 26 Vitamins & Minerals - 22 g Protein - Calorie-Dense Nutritional Drink - Chocolate - 8 fl oz (Pack of 24)

10

Mutant Mass Extreme 2500 – High Calorie Mass Gainer Whey Protein Powder for Muscle Building and Weight Gain – Clean Calories with Whole Food Carbs - Vanilla Ice Cream 2.2 lb

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