10 Best Whey Protein Powder Mass Gain of 2025

Tested and Reviewed: Top 10 Whey Protein Powder Mass Gain deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

NAKED

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

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Editor's bottom line:

“This whey protein powder mass gain is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ONLY FIVE INGREDIENTS: Naked Whey, Naked Casein, Organic Maltodextrin (made from gluten free organic tapioca), Organic Coconut Sugar, and Organic Raw Cacao. Naked Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, No rBGH or rBST, Soy Free and Gluten Free.
MAXIMUM NUTRITION: 50g of Protein, 251g of Carbs, 1,360 Calories, 11.6g of BCAAs (branched-chain amino acids) per serving and only 5g sugar - compare vs other weight gain supplements for bulking.
MULTI-PHASE CLEAN PROTEIN: MULTI-PHASE CLEAN PROTEIN: All natural whey and casein provides your body with healthy amino acids to keep protein synthesis up throughout the day. Combine with a high-calorie diet and exercise to gain weight and transform yourself from a hard gainer to a pro gainer.
PREMIUM COMPLEX CARBOHYDRATES: Unlike other weight gainer supplements that use wheat-based maltodextrins, Naked Mass is a serious, true mass gainer and uses gluten free organic tapioca maltodextrin for clean source complex carbohydrates.
BEST WEIGHT GAINER SHAKES AND RECIPES: Our natural chocolate mass gainer protein powder is versatile in making protein shakes, smoothies and recipes. Boost calories and give your body optimum nutrition by adding our chocolate weight gainer to make protein bars, cookies and other recipes.

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Picked by 397 people today

9.5

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)

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Main Highlights

52G PROTEIN: Every servings contains 52g of protein to support muscle growth, repair, and recovery. If your goal is gaining muscle size and strenth, then SMG is your perfect workout parther. while recovering from intense workouts and pushing limits in the gym
CALORIE-DENSE FORMULA: With 1,280 calories per serving, this weight gainer offers a substantial caloric boost for individuals aiming to gain muscle mass and meet their energy needs
ENHANCED WITH CREATINE AND NUTRIENTS: Each serving provides 1g of creatine to support the increase in power and strength you need to maximize training. Plus 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to support overall health and recovery
CONTINUOUS GROWTH: Dymatize Super Mass Gainer combines fast- and slow-digesting proteins, like whey and casein, to fuel muscle growth and recovery with sustained protein delivery for long-lasting results for men and women
YOUR WAY OF GAINING: Get creative by blending mass gainer into smoothies with fruits, peanut butter, and oats. Its also perfect for adding to protein bars, cookies, and pancakes for delicious, calorie-packed treats

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9.5

Optimum Nutrition

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

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Main Highlights

HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving
50 grams of blended protein per 2-scoop serving
Over 250 grams of carbohydrates per 2-scoop serving
22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support
With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support
MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential

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9.2

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)

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Main Highlights

52G PROTEIN: Every servings contains 52g of protein to support muscle growth, repair, and recovery. If your goal is gaining muscle size and strenth, then SMG is your perfect workout parther. while recovering from intense workouts and pushing limits in the gym
CALORIE-DENSE FORMULA: With 1,280 calories per serving, this weight gainer offers a substantial caloric boost for individuals aiming to gain muscle mass and meet their energy needs
ENHACED WITH CREATINE AND NUTRIENTS: Each serving provides 1g of creatine to support the increase in power and strength you need to maximize training. Plus 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to support overall health and recovery
CONTINUOUS GROWTH: Dymatize Super Mass Gainer combines fast- and slow-digesting proteins, like whey and casein, to fuel muscle growth and recovery with sustained protein delivery for long-lasting results for men and women
YOUR WAY OF GAINING: Get creative by blending mass gainer into smoothies with fruits, peanut butter, and oats. Its also perfect for adding to protein bars, cookies, and pancakes for delicious, calorie-packed treats

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9.0

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)

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Main Highlights

HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving
50 grams of blended protein per 2-scoop serving
Over 250 grams of carbohydrates per 2-scoop serving
With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support
MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential

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8.8

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)

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Main Highlights

52G PROTEIN: Every servings contains 52g of protein to support muscle growth, repair, and recovery. If your goal is gaining muscle size and strenth, then SMG is your perfect workout parther. while recovering from intense workouts and pushing limits in the gym
CALORIE-DENSE FORMULA: With 1,280 calories per serving, this weight gainer offers a substantial caloric boost for individuals aiming to gain muscle mass and meet their energy needs
ENHANCED WITH CREATINE AND NUTRIENTS: Each serving provides 1g of creatine to support the increase in power and strength you need to maximize training. Plus 14 essential vitamins and minerals, including Vitamin C, E, and calcium, to support overall health and recovery
CONTINUOUS GROWTH: Dymatize Super Mass Gainer combines fast- and slow-digesting proteins, like whey and casein, to fuel muscle growth and recovery with sustained protein delivery for long-lasting results for men and women
YOUR WAY OF GAINING: Get creative by blending mass gainer into smoothies with fruits, peanut butter, and oats. Its also perfect for adding to protein bars, cookies, and pancakes for delicious, calorie-packed treats

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8.6

Rule 1 Proteins

Rule1 Mass Gainer - High-Calorie Weight Gain Formula with 1,220+ Calories, 250g+ Complex Carb Blend, 40g All-Whey Protein Per Serving (8 Servings, Strawberries & Crème)

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Main Highlights

Serious Weight Gainer: With over 1,220 calories, more than 250g carbohydrates, and 40g protein from three types of whey, Mass Gainer puts you in charge of transforming to XXL
6:1 CARB-TO-PROTEIN RATIO - The 6:1 carb-to-protein ratio in this calorie-packed formula can help you pack on desired pounds.
QUALITY CALORIES - Our formula also includes 9g naturally-occurring BCAAs, creatine, MCTs, and glutamine. We intentionally left out: creamers, soy protein, and banned substances.
HOW TO USE IT - R1 Mass Gainer should be combined with a high-calorie diet and weight training or other high-intensity exercise. Use it in conjunction with the food you normally eat for additional daily calories. Do not use in place of meals.
BETTER INPUT, BETTER OUTPUT - Youll see these words all over our products. It means were relentlessly pursuing better input to ensure we never put a product on our siteor on a shelfthat we wouldnt put in our own gym bag.

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8.3

Optimum Nutrition

Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)

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Main Highlights

Vitamin C and Zinc Provides Immune Support along with Vitamin E
650 CALORIES - delivering calories that count to support your gains
60G PROTEIN BLEND - support your mass gaining goals with high-quality protein
85G CARBOHYDRATES - help restore energy levels
7g SUGAR (OR LESS)
32 VITAMINS & MINERALS - because the nutrient needs of very active individuals may be greater than those of less active people
GREAT POST-WORKOUT OR BETWEEN MEALS
MIXES EFFORTLESSLY - use a blender, shaker, or spoon to easily mix
AVAILABLE IN 5 LB TUBS OR 10 LB BAGS

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8.1

Mutant

Mutant Mass Extreme 2500 - High Calorie Mass Gainer Whey Protein Powder with Whole Food Carbs - Muscle Building & Weight Gain Supplement for Extreme Hard Gainers - Triple Chocolate 6 lbs

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Main Highlights

"Extreme calorie density for hard gainers: Specially formulated for those with fast metabolisms who struggle to add size, this weight gainer delivers up to 1,270 calories per serving. It provides the massive caloric surplus needed to fuel intense muscle growth and break through stubborn plateaus."
"Premium 3-source whey protein blend: Each serving features a high-quality blend of hydrolyzed whey, whey isolate, and concentrate, delivering up to 46g of protein when mixed with milk. This diverse protein complex ensures multiple absorption rates to support muscle recovery and repair."
"Complex carbs from real food sources: Fuel your training with over 230g of carbohydrates sourced from nutrient-dense whole foods like sweet potato, waxy maize, and rolled oats. This sustained energy source helps replenish glycogen stores without the use of unnecessary junk fillers or chemicals."
"Naturally loaded with bcaas and glutamine: This potent formula is naturally rich in essential amino acids, including BCAAs and Glutamine, which are critical for muscle protein synthesis. These vital nutrients help protect lean muscle mass and keep your body in an optimal state for consistent growth."
"Gourmet cookies and cream flavor: Enjoy a decadent milkshake taste that mixes effortlessly in water or milk, providing a clean and delicious way to hit your daily macro goals. Our formula is free from vegetable creamers and hidden sugars, ensuring you get quality nutrition without the hype."

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8.1

Optimum Nutrition

Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate 1.98 Pound (Packaging May Vary)

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Main Highlights

24 g High-Quality Whey Protein per Scoop 100% of the protein from whey for a fast-absorbing, complete protein source that supports muscle maintenance and growth.
5.5 g Naturally-Occurring BCAAs + 11g of naturally occurring EAAs Delivers essential amino acids including leucine, isoleucine, and valine to support post-workout muscle recovery, muscle strength and muscle building when taken over time with regular resistance training.
Low Sugar, Low Carb, Low Fat Ideal for Lean Muscle or Cutting Phases With just ~1 g sugar, ~3 g carbs per serving, and whey protein isolate as the primary ingredient with further carbs and fat isolated out. Its a high quality choice for athletes focused on lean muscle, weight management, or body-composition goals.
Instantized & Easy-Mix Formula (Great Mixability) Designed to dissolve smoothly in water, milk, or smoothies with a spoon, shaker, or blender perfect for fast post-workout shakes or convenient protein boosts.
Trusted Brand, Tested Quality & Versatile Use For 35 years, athletes have trusted Optimum Nutrition to fuel their training. Gold Standard Whey is the trusted choice for gym-goers, athletes, and everyday fitness enthusiasts worldwide use post-workout or as a protein supplement anytime.

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Our Best Overall Choice

Best Choice

9.7

NAKED

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

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ONLY FIVE INGREDIENTS: Naked Whey, Naked Casein, Organic Maltodextrin (made from gluten free organic tapioca), Organic Coconut Sugar, and Organic Raw Cacao. Naked Mass contains no artificial sweeteners, flavors, or colors and is GMO Free, No rBGH or rBST, Soy Free and Gluten Free.
MAXIMUM NUTRITION: 50g of Protein, 251g of Carbs, 1,360 Calories, 11.6g of BCAAs (branched-chain amino acids) per serving and only 5g sugar - compare vs other weight gain supplements for bulking.
MULTI-PHASE CLEAN PROTEIN: MULTI-PHASE CLEAN PROTEIN: All natural whey and casein provides your body with healthy amino acids to keep protein synthesis up throughout the day. Combine with a high-calorie diet and exercise to gain weight and transform yourself from a hard gainer to a pro gainer.
PREMIUM COMPLEX CARBOHYDRATES: Unlike other weight gainer supplements that use wheat-based maltodextrins, Naked Mass is a serious, true mass gainer and uses gluten free organic tapioca maltodextrin for clean source complex carbohydrates.
BEST WEIGHT GAINER SHAKES AND RECIPES: Our natural chocolate mass gainer protein powder is versatile in making protein shakes, smoothies and recipes. Boost calories and give your body optimum nutrition by adding our chocolate weight gainer to make protein bars, cookies and other recipes.

Show Price

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