What is a mass gainer?

A mass gainer is a supplement designed to promote weight gain by providing a high-calorie protein and carbohydrate blend.

What is the typical serving size for a mass gainer?

A typical serving size can range from 50g to 150g, but it varies by product.

When is the best time to take a mass gainer supplement?

It is often recommended to consume a mass gainer either pre-workout, post-workout, or before bedtime.

Can mass gainers be mixed with other liquids besides water?

Yes, mass gainers can be mixed with liquids like milk for added calories and taste.

How does a mass gainer differ from a protein shake?

While both provide protein, a mass gainer also includes a high amount of carbohydrates and fats for added calories.

April 2, 2026

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10 Best mass gainers of 2026

Save up to 28% off

Best Choice

1

Clicked 125 times in the last month

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

High Calorie and Protein Boost
Provides 1,260 calories and 50g protein per 2-scoop serving for effective weight gain.

Ideal for Weight Gain and Muscle Building
Perfect for those looking to gain mass and enhance muscle strength with consistent use.

Versatile Mixing Options
Highly praised for its versatility; can be blended with milk, peanut butter, and fruits.
Key specs
- Carbohydrates:Over 250 per serving
- Minerals:22 vitamins and minerals
- Protein:50 grams per serving
- Calories:1,260 per 2-scoop
- Vitamins:Vitamin C, D, Zinc
9.8

Exceptional

Our Rating

8.7
quality of ingredients

8.4
worth the money

8.4
Aroma
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Real users impact

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Based on millions of stores and reviews

Shoppers influence our rankings
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Value for Money

2

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

High Calorie and Protein Boost
Provides 1,260 calories and 50g protein per 2-scoop serving for effective weight gain.

Ideal for Weight Gain and Muscle Building
Perfect for those looking to gain mass and enhance muscle strength with consistent use.

Versatile Mixing Options
Highly praised for its versatility; can be blended with milk, peanut butter, and fruits.
Key specs
- Carbohydrates:Over 250 per serving
- Minerals:22 vitamins and minerals
- Protein:50 grams per serving
- Calories:1,260 per 2-scoop
- Vitamins:Vitamin C, D, Zinc
9.7

Exceptional

Our Rating

8.7
quality of ingredients

8.4
worth the money

8.4
Aroma
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)
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.
9.6

Exceptional

Our Rating

8.4
worth the money

8.4
quality of ingredients

8.2
Flavor
4

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)
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.
9.5

Excellent

Our Rating

8.4
worth the money

8.4
quality of ingredients

8.2
Flavor
5

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

10% Off
Main highlights

High Calorie Content
1,250 calories per serving supports significant weight gain.

Ideal for Muscle Building
Perfect for gym-goers aiming to increase muscle mass.

Taste and Effectiveness
Praised for taste and effectiveness in customer reviews.
Key specs
- Carbohydrates:Over 250 Grams
- Minerals:25 Vitamins & Minerals
- Protein:50 Grams
- Calories:1,250 per serving
- Vitamins:25 Vitamins & Minerals
9.4

Excellent

Our Rating

8.7
quality of ingredients

8.4
worth the money

8.4
Aroma
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6

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

15% Off
Main highlights

High Calorie Content
1,250 calories per serving supports significant weight gain.

Ideal for Muscle Building
Perfect for gym-goers aiming to increase muscle mass.

Taste and Effectiveness
Praised for taste and effectiveness in customer reviews.
Key specs
- Carbohydrates:Over 250 Grams
- Minerals:25 Vitamins & Minerals
- Protein:50 Grams
- Calories:1,250 per serving
- Vitamins:25 Vitamins & Minerals
9.3

Excellent

Our Rating

8.7
quality of ingredients

8.4
worth the money

8.4
Aroma
7

GHOST

GHOST Clear Gains Mass Gainer Protein Powder - Post-Workout Weight Gainer Mix - 40g of Whey Protein Isolate, 440 Calories & 70g Vitargo Carbs - Lean Muscle Building & Recovery - Blue Raspberry
9.2

Excellent

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 (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.
9.1

Excellent

Our Rating

8.4
quality of ingredients

8.2
Flavor

8.2
worth the money
9

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.
9.0

Excellent

Our Rating

8.4
quality of ingredients

8.2
Flavor

8.2
worth the money
10

Optimum Nutrition
Optimum Nutrition Gold Standard 100% Whey Protein Powder, French Vanilla Creme, 2 Pound (Packaging May Vary)

28% Off
Main highlights

High Protein Content
24g of blended protein per serving for muscle support.

Versatile Usage
Ideal for pre/post-workout, between meals, or anytime.

Praised Mixability
Instantized formula improves mixability, preventing lumps.
8.8

Very Good

Our Rating

9.1
simple to consume

9.1
Powerful blending

9.1
quality of ingredients

Frequently Asked Questions

What is a mass gainer?
A mass gainer is a supplement designed to promote weight gain by providing a high-calorie protein and carbohydrate blend.

What is the typical serving size for a mass gainer?
A typical serving size can range from 50g to 150g, but it varies by product.

When is the best time to take a mass gainer supplement?
It is often recommended to consume a mass gainer either pre-workout, post-workout, or before bedtime.

Can mass gainers be mixed with other liquids besides water?
Yes, mass gainers can be mixed with liquids like milk for added calories and taste.

How does a mass gainer differ from a protein shake?
While both provide protein, a mass gainer also includes a high amount of carbohydrates and fats for added calories.

10 Best mass gainers of 2026

1

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

8.7

8.4

8.4

How do we rank?

How do we rank?

Analyzing top stores

2

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

8.7

8.4

8.4

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

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

5

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

8.7

8.4

8.4

6

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

8.7

8.4

8.4

7

GHOST Clear Gains Mass Gainer Protein Powder - Post-Workout Weight Gainer Mix - 40g of Whey Protein Isolate, 440 Calories & 70g Vitargo Carbs - Lean Muscle Building & Recovery - Blue Raspberry

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

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

10

Optimum Nutrition Gold Standard 100% Whey Protein Powder, French Vanilla Creme, 2 Pound (Packaging May Vary)

9.1

9.1

9.1

Frequently Asked Questions

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