September 7, 2026

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10 Best sports nutrition weight gainers of 2026

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Best Choice

1

Optimum Nutrition

Optimum Nutrition Gold Standard Pro Gainer Protein, Double Chocolate, 10 LB
Key specs
- is discontinued by manufacturer:No
- product dimensions:11.5 x 6 x 17 inches 10.19 Pounds
- country of origin:USA
- asin:B002DYIZM6
- date first available:April 28, 2004
9.6

Exceptional

Our Rating

9.3
Flavor

9.3
quality of ingredients

8.4
worth the money
How do we rank?

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Value for Money

2

Optimum Nutrition
Optimum Nutrition Gold Standard Pro Gainer Protein, Vanilla Custard, 10 LB
Main highlights

High Protein and Calorie Content
650 calories and 60g protein per serving to support muscle building and weight gain goals.

Ideal for Post-Workout and Between Meals
Great for use post-workout or between meals to restore energy levels and support mass gaining goals.

Praised for Taste and Mixability
Customers love the taste, especially the double chocolate flavor, and how easily it mixes with water or milk.
Key specs
- is discontinued by manufacturer:No
- product dimensions:11.5 x 6 x 17 inches 10.19 Pounds
- country of origin:USA
- asin:B002DYIZNK
- date first available:April 21, 2004
9.3

Excellent

Our Rating
3

Optimum Nutrition
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6LB
Main highlights

High Calorie and Protein Content
Each 2-scoop serving provides over 1,200 calories and 50 grams of protein, supporting mass gain and muscle building.

Versatile Customization for Diet Needs
Mix with fruits, nuts, or peanut butter for tailored nutrition and enhanced calorie intake.

Immune Support with Vitamin C and Zinc
Praised by users for its inclusion of over 20 vitamins and minerals, boosting immune health while supporting weight gain.
9.0

Excellent

Our Rating
4

Optimum Nutrition
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB
Main highlights

High Calorie and Protein Formula for Mass Gain
Delivers over 1,200 calories and 50g protein per serving, plus 20+ vitamins and minerals including immune-supporting Vitamin C and Zinc.

Perfect for Weight Gain and Custom Recipe Blends
Ideal for individuals focused on increasing weight or muscle mass; easily blend with fruits, nuts, or other foods for extra calories.

Customers Praise Its Effective Support for Immune Health
Many appreciate the addition of Vitamin C and Zinc for added nutritional and immune health value in their weight gain routine.
8.7

Very Good

Our Rating
5

Optimum Nutrition
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 6LB
Main highlights

High Calorie Blend for Mass Gain
Each 2-scoop serving provides over 1,200 calories, 50g protein, and 250g carbohydrates, along with 22 vitamins and minerals for comprehensive nutrition.

Versatile Shake Customization
Designed to blend with fruits, nuts, or peanut butter for added calories, ideal for those needing to increase their daily intake easily.

Immune Support Noted by Users
Includes Vitamin C and Zinc, frequently praised for supporting immune health in addition to aiding weight gain.
8.6

Very Good

Our Rating
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6

Optimum Nutrition
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 12LB
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.
8.3

Good

Our Rating
7

Optimum Nutrition
Optimum Nutrition Gold Standard Pro Gainer Protein, Double Chocolate, 5 LB

17% Off
Main highlights

High Calorie and Protein Support
650 calories and 60g protein per serving for muscle gain.

Post-Workout and Meal Supplement
Ideal for post-workout recovery or as a between-meal supplement.

Great Taste and Easy Mixing
Praised for delicious taste and easy mixing in reviews.
Key specs
- is discontinued by manufacturer:No
- product dimensions:8.06 x 8.06 x 11.18 inches 5.09 Pounds
- country of origin:USA
- asin:B0015R3A1S
- date first available:April 28, 2004
8.1

Good

Our Rating

9.3
Flavor

9.3
quality of ingredients

8.4
worth the money
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 (16 Servings)
Main highlights

Key Features
Packed with 10.7g BCAAs, 1280 calories, and 52g protein for muscle synthesis, mass gain, and recovery. Includes 17 vitamins and minerals.

Ideal Use Cases
Perfect for hard gainers needing to pack on mass, and for athletes seeking support for muscle recovery and growth post-workout.

Customer Praise
Most reviews highlight its effectiveness in muscle gain and appreciate the balanced nutritional content, especially the high protein and calorie count.
Key specs
- is discontinued by manufacturer:No
- product dimensions:15.5 x 11.5 x 5 inches 11.9 Pounds
- country of origin:USA
- asin:B00XQF7NG0
- date first available:April 27, 2011
8.0

Good

Our Rating

8.4
quality of ingredients

8.2
Flavor

8.2
worth the money
9

NAKED
NAKED Chocolate Mass Gainer - All Natural Weight Gainer Protein Powder - 8lb Bulk, NSF Certified, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,360 Calories
Main highlights

Key Features
50g Protein, 251g Carbs, 1,360 Calories per serving, with all-natural ingredients including Naked Whey, Casein, and Organic Raw Cacao.

Ideal Use
Perfect for athletes seeking clean mass gain, supports protein synthesis throughout the day with multi-phase protein.

Customer Praise
Users love its clean ingredients list with no artificial additives, highlighting improved recovery and taste as standout benefits.
Key specs
- is discontinued by manufacturer:No
- product dimensions:N/A
- country of origin:N/A
- asin:B08J8BKCZ5
- date first available:March 9, 2015
7.9

Good

Our Rating

9.1
quality of ingredients

8.7
Flavor

8.2
worth the money
10

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)
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.
Key specs
- is discontinued by manufacturer:No
- product dimensions:15.5 x 11.5 x 5 inches 12 Pounds
- country of origin:USA
- asin:B005GHHLH2
- date first available:August 8, 2011
7.8

Good

Our Rating

8.4
worth the money

8.4
quality of ingredients

8.2
Simple to use

10 Best sports nutrition weight gainers of 2026

1

Optimum Nutrition Gold Standard Pro Gainer Protein, Double Chocolate, 10 LB

9.3

9.3

8.4

How do we rank?

How do we rank?

Analyzing top stores

2

Optimum Nutrition Gold Standard Pro Gainer Protein, Vanilla Custard, 10 LB

3

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6LB

4

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB

5

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 6LB

6

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 12LB

7

Optimum Nutrition Gold Standard Pro Gainer Protein, Double Chocolate, 5 LB

9.3

9.3

8.4

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 (16 Servings)

8.4

8.2

8.2

9

NAKED Chocolate Mass Gainer - All Natural Weight Gainer Protein Powder - 8lb Bulk, NSF Certified, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,360 Calories

9.1

8.7

8.2

10

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

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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)

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