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SUPPLEMENTS | FITNESS | BUYING GUIDES

Best Mass Gainers

Buying Guide

How to choose mass gainers

This guide highlights products that meet SupplementCheckLab's quality filters and are ranked by product relevance, review strength, rating, pricing, product profile data, ingredient context, and shopper-friendly buying criteria.

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Quick Summary

16
Picks
4.5
Top rating
3
Top picks
Jun 2, 2026
Updated
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary)
#1 Pick4.5 rating32,600 reviewslow
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary)

Optimum Nutrition Serious Mass is a high-calorie weight gainer designed to support muscle growth and recovery. Ideal for those looking to increase their caloric intake effectively.

individuals looking to gain weightathletes needing extra calories
Price
$56.99
Best for
individuals looking to gain weight
Routine
Post-workout or as a meal replacement
Match score
152
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Muscle Feast Creapure Creatine Monohydrate Powder, Vegan Keto Friendly Gluten-Free, Mass Gainer, Muscle Recovery Supplement and Trusted Creatine for Muscle Growth, Creatine Powder, Unflavored, 2lb
#2 Pick4.6 rating8,000 reviewslow
Muscle Feast Creapure Creatine Monohydrate Powder, Vegan Keto Friendly Gluten-Free, Mass Gainer, Muscle Recovery Supplement and Trusted Creatine for Muscle Growth, Creatine Powder, Unflavored, 2lb

Muscle Feast Creapure Creatine Monohydrate Powder is a vegan-friendly supplement designed to support muscle growth and recovery. Ideal for athletes and fitness enthusiasts looking to enhance their performance.

athletes looking to increase muscle massindividuals focused on muscle recovery
Price
$76.90
Best for
athletes looking to increase muscle mass
Routine
post-workout or as directed
Match score
147
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Muscle Feast Creapure Creatine Monohydrate Powder, Vegan Keto Friendly Gluten-Free, Mass Gainer, Muscle Recovery Supplement and Trusted Creatine for Muscle Growth, Creatine Powder, Unflavored, 300g
#3 Pick4.6 rating8,000 reviewslow
Muscle Feast Creapure Creatine Monohydrate Powder, Vegan Keto Friendly Gluten-Free, Mass Gainer, Muscle Recovery Supplement and Trusted Creatine for Muscle Growth, Creatine Powder, Unflavored, 300g

Muscle Feast Creapure Creatine Monohydrate Powder is a vegan and gluten-free supplement designed to support muscle growth and recovery. Ideal for athletes and fitness enthusiasts looking for a clean and effective creatine option.

athletes looking to enhance muscle growthindividuals focused on muscle recovery
Price
$37.90
Best for
athletes looking to enhance muscle growth
Routine
Post-workout or as directed by a fitness professional.
Match score
147
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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)
#4 Pick4.5 rating9,100 reviewslow
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)

Dymatize Super Mass Gainer is designed for those looking to increase their caloric intake and support muscle growth with a high protein content. Ideal for athletes and bodybuilders aiming to bulk up.

individuals looking to gain weightathletes needing extra calories
Price
$39.98
Best for
individuals looking to gain weight
Routine
post-workout or as a meal replacement
Match score
146
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BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gain, 2:1 Carbs to Protein Ratio, Chocolate Milkshake, 5.82 Pound, 16 Servings (Packaging May Vary)
#5 Pick4.5 rating2,800 reviewslow
BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gain, 2:1 Carbs to Protein Ratio, Chocolate Milkshake, 5.82 Pound, 16 Servings (Packaging May Vary)

BSN TRUE-MASS is a mass gainer protein powder designed to support muscle recovery and growth, ideal for those looking to increase their caloric intake post-workout.

individuals looking to gain weightathletes needing post-workout recovery
Price
$73.19
Best for
individuals looking to gain weight
Routine
Post-workout
Match score
139
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Mutant Mass Extreme Gainer Protein Powder – High Calorie Weight Gainer with Whey Protein & BCAAs for Muscle Mass & Weight Gain - Vanilla Ice Cream 6 lbs
#6 Pick4.5 rating2,000 reviewslow
Mutant Mass Extreme Gainer Protein Powder – High Calorie Weight Gainer with Whey Protein & BCAAs for Muscle Mass & Weight Gain - Vanilla Ice Cream 6 lbs

Mutant Mass Extreme Gainer is designed for those seeking to increase muscle mass and weight with a high-calorie formula. Ideal for athletes and bodybuilders looking to supplement their diet effectively.

individuals looking to increase muscle massthose needing extra calories for weight gain
Price
$48.99
Best for
individuals looking to increase muscle mass
Routine
Post-workout or as a meal replacement
Match score
138
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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
#7 Pick4.5 rating2,000 reviewslow
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

Mutant Mass Extreme 2500 is a high-calorie mass gainer designed to support muscle building and weight gain, making it ideal for athletes and individuals looking to increase their caloric intake.

individuals looking to gain weightathletes needing extra calories
Price
$22.99
Best for
individuals looking to gain weight
Routine
post-workout or as a meal replacement
Match score
138
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Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)
#8 Pick4.6 rating1,500 reviewslow
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)

Optimum Nutrition Gold Standard Pro Gainer is a high-calorie protein powder designed for those looking to gain muscle mass. Its rich double chocolate flavor makes it a tasty option for post-workout recovery.

individuals looking to increase muscle massathletes needing additional calories
Price
$94.40
Best for
individuals looking to increase muscle mass
Routine
Post-workout or as a meal replacement
Match score
138
Read detailsCheck price
Mutant Mass Extreme 2500 Gainer - Whey Protein Powder with 3-Source Whey Protein Blend & Whole Food Carbs - High Calorie Mass Gainer for Muscle Building & Weight Gain - Cookies & Cream, 12 lbs
#9 Pick4.4 rating1,500 reviewslow
Mutant Mass Extreme 2500 Gainer - Whey Protein Powder with 3-Source Whey Protein Blend & Whole Food Carbs - High Calorie Mass Gainer for Muscle Building & Weight Gain - Cookies & Cream, 12 lbs

Mutant Mass Extreme is a high-calorie mass gainer designed to support muscle building and weight gain. Ideal for athletes and individuals looking to increase their caloric intake.

individuals looking to gain weightathletes needing extra calories
Price
$72.99
Best for
individuals looking to gain weight
Routine
Post-workout or as a meal replacement
Match score
134
Read detailsCheck price
Mutant Mass | Weight Mass Gainer Protein Powder - high Calorie Protein Powder for Mass gain - Cookies and Cream - 5 Pound
#10 Pick4.4 rating1,500 reviewslow
Mutant Mass | Weight Mass Gainer Protein Powder - high Calorie Protein Powder for Mass gain - Cookies and Cream - 5 Pound

Mutant Mass is a high-calorie protein powder designed for those looking to gain mass and build muscle. With a delicious Cookies and Cream flavor, it's a convenient option for athletes and fitness enthusiasts.

individuals looking to gain weightathletes needing extra calories
Price
$48.79
Best for
individuals looking to gain weight
Routine
post-workout or as a meal replacement
Match score
134
Read detailsCheck price
MuscleMeds CARNIVOR Mass Gainer Beef Protein Isolate Shake, 50 Grams Protein, 125 Grams Carbs, 0 Fat, 0 Sugar, Lactose Free, Halal Certified, Chocolate Peanut Butter, 6 Pound
#11 Pick4.5 rating981 reviewslow
MuscleMeds CARNIVOR Mass Gainer Beef Protein Isolate Shake, 50 Grams Protein, 125 Grams Carbs, 0 Fat, 0 Sugar, Lactose Free, Halal Certified, Chocolate Peanut Butter, 6 Pound

MuscleMeds CARNIVOR Mass Gainer is designed for those aiming to increase muscle mass with a high protein and carbohydrate content. Ideal for athletes and fitness enthusiasts looking for a convenient shake to support their weight gain goals.

individuals looking to gain muscle massathletes needing high protein intake
Price
$56.42
Best for
individuals looking to gain muscle mass
Routine
Post-workout or as a meal replacement.
Match score
134
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Animal M-Stak - Muscle Builder and Anabolic Mass Gainer Supplement for Bodybuilding - Lean Muscle Growth, Amino Complex and Pre Workout Energy, 21 Packs
#12 Pick4.5 rating975 reviewslow
Animal M-Stak - Muscle Builder and Anabolic Mass Gainer Supplement for Bodybuilding - Lean Muscle Growth, Amino Complex and Pre Workout Energy, 21 Packs

Animal M-Stak is designed for serious bodybuilders looking to enhance muscle growth and energy levels. With a solid rating and numerous positive reviews, it’s a reliable choice for those focused on mass gain.

bodybuildersathletes looking to gain mass
Price
$43.94
Best for
bodybuilders
Routine
Pre-workout or post-workout
Match score
134
Read detailsCheck price
NAKED Chocolate Mass Gainer - All Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,360 Calories
#13 Pick4.4 rating1,200 reviewslow
NAKED Chocolate Mass Gainer - All Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,360 Calories

NAKED Chocolate Mass Gainer is a high-calorie protein powder designed for those looking to gain weight and muscle mass. With no artificial ingredients and a focus on natural nutrition, it's a solid choice for athletes and fitness enthusiasts.

individuals looking to increase weight and muscle massathletes needing extra calories
Price
$69.99
Best for
individuals looking to increase weight and muscle mass
Routine
Post-workout or as a meal replacement
Match score
133
Read detailsCheck price
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)
#14 Pick4.6 rating637 reviewslow
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)

Optimum Nutrition Gold Standard Pro Gainer is a weight gainer protein powder designed to help you increase muscle mass and caloric intake. Ideal for athletes and fitness enthusiasts looking to bulk up.

individuals looking to increase muscle massathletes needing extra calories
Price
$84.99
Best for
individuals looking to increase muscle mass
Routine
Post-workout or as a meal replacement.
Match score
133
Read detailsCheck price
NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, NSF Certified, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings
#15 Pick4.2 rating1,900 reviewslow
NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, NSF Certified, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings

NAKED Vegan Mass is a high-calorie weight gainer designed for those looking to increase muscle mass with a clean, plant-based formula. Ideal for athletes and fitness enthusiasts seeking a vegan option.

individuals seeking to increase caloric intakevegan athletes
Price
$69.99
Best for
individuals seeking to increase caloric intake
Routine
Post-workout or as a meal replacement
Match score
132
Read detailsCheck price
Mutant Mass Weight Gainer Protein Powder with Whey, and Casein Protein Blend for High-Calorie Workout Shakes, Smoothies, and Drinks, 15 lb - Strawberry Banana
#16 Pick4.5 rating638 reviewslow
Mutant Mass Weight Gainer Protein Powder with Whey, and Casein Protein Blend for High-Calorie Workout Shakes, Smoothies, and Drinks, 15 lb - Strawberry Banana

Mutant Mass Weight Gainer Protein Powder is designed for those looking to increase their calorie intake and support muscle growth. Ideal for athletes and bodybuilders, it offers a blend of whey and casein proteins for sustained energy.

individuals looking to gain weightathletes needing extra calories
Price
$89.99
Best for
individuals looking to gain weight
Routine
Post-workout or as a meal replacement.
Match score
132
Read detailsCheck price

How we rank these picks

SupplementCheckLab prioritizes category relevance, rating strength, review volume, price, product profile completeness, ingredient signals, use cases, and buying-fit information. Retailer links may earn affiliate commission, but affiliate status does not remove the comparison criteria.

Rating and review volumeCategory and subcategory fitPrice and buying availabilityIngredient and use-case signals

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