May 12, 2026

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10 Best sports nutrition weight gainers of 2026

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1

Optimum Nutrition

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)
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
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Value for Money

2

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

Key Features and Benefits
High-calorie content, rich in proteins and carbs, with 25 vitamins & minerals, creatine, and glutamine for optimal weight gain and muscle growth.

Ideal Use Cases
Perfect for bodybuilders, athletes, or anyone looking to gain weight quickly by adding calorie-dense foods to their diet.

Customer Reviews Highlight
Most praised for its effectiveness in weight gain and muscle building, with noticeable results when combined with the right diet and exercise.
Key specs
- is discontinued by manufacturer:Yes
- product dimensions:11.5 x 5.5 x 16 inches 12 Pounds
- country of origin:USA
- asin:B000GIPJ02
- date first available:May 27, 2004
9.5

Excellent

Our Rating
3

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)
Main highlights

High Calorie and Protein Boost
Over 1,200 calories and 50g of protein per serving for muscle gain.

Ideal for Hardgainers
Perfect for individuals struggling to meet daily calorie needs.

Praised for Taste and Mixability
Customers love the flavor and easy mixing of Serious Mass.
Key specs
- is discontinued by manufacturer:Yes
- product dimensions:7.83 x 7.87 x 10.27 inches 6 Pounds
- country of origin:USA
- asin:B0015R6ZPQ
- date first available:September 21, 2004
9.3

Excellent

Our Rating
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)
Key specs
- is discontinued by manufacturer:Yes
- product dimensions:11.5 x 5.5 x 16 inches 12.02 Pounds
- country of origin:USA
- asin:B002DYIZPS
- date first available:February 3, 2007
9.0

Excellent

Our Rating
5

Optimum Nutrition

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)
Key specs
- is discontinued by manufacturer:Yes
- product dimensions:7.8 x 7.87 x 11.18 inches 5.09 Pounds
- country of origin:USA
- asin:B0015R39XM
- date first available:November 22, 2004
8.9

Very Good

Our Rating
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6

Optimum Nutrition
Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)
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
8.8

Very Good

Our Rating
7

NAKED
NAKED Vanilla Mass - All Natural Vanilla Weight Gainer Protein Powder - 8lb Bulk, NSF Certified, GMO Free, Gluten Free & Soy Free, No Artificial Ingredients - 1,260 Calories - 11 Servings
Main highlights

High Protein and Calorie Content
Provides 50g protein, 1,260 calories per serving for effective weight gain.

Ideal for Hard Gainers
Perfect for those struggling to gain weight with clean ingredients.

Praised for Digestibility and Flavor
Customers appreciate its easy digestion and enjoyable vanilla taste.
Key specs
- is discontinued by manufacturer:No
- product dimensions:7.97 x 8.1 x 11.1 inches 8 Pounds
- country of origin:USA
- asin:B01IO5TJZ4
- date first available:July 18, 2016
8.6

Very Good

Our Rating
8

MuscleMeds
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
Main highlights

Key Features and Benefits
Over 700 calories, 50g of beef protein isolate, 125g carbs for fast muscle gains, insulin optimization, and 350% more amino acids than steak.

Ideal Use Cases
Perfect for bodybuilders and athletes seeking rapid muscle growth, recovery post-workout, and those needing high-calorie, nutrient-dense supplementation.

Customer Reviews Highlight
Most praised for its effectiveness in muscle gain and recovery speed, with users loving the beef protein alternative to whey.
Key specs
- is discontinued by manufacturer:No
- product dimensions:8 x 8 x 11.5 inches 6 Pounds
- country of origin:USA
- asin:B00PULGR4M
- date first available:October 30, 2014
8.5

Good

Our Rating
9

Animal
Animal M-Stak - Muscle Builder and Anabolic Mass Gainer Supplement for Bodybuilding - Lean Muscle Growth, Amino Complex and Pre Workout Energy, 21 Packs
Main highlights

Nutrient Partitioning and Nitrogen Retention
Animal M-Stak combines nutrient partitioning and nitrogen retention in muscles, enhancing muscle fullness and ensuring food contributes to muscle gain, not fat.

Perfect for Hard Gainers
Ideal for bodybuilders or elite strength athletes struggling to gain weight, providing a solution for those who can't maintain weight despite high-calorie intake.

Energy Boost and Muscle Growth
Customers frequently praise the energy boost and noticeable muscle growth, highlighting the product's efficacy in enhancing workout performance and muscle mass.
Key specs
- is discontinued by manufacturer:No
- product dimensions:3.99 x 3.99 x 5.6 inches 0.04 ounces
- country of origin:USA
- asin:B000GONZZC
- date first available:September 16, 2003
8.3

Good

Our Rating
10

Supragenix
Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer

21% Off
Main highlights

Clinically backed proven weight gain results
CB-1 Weight Gainer is clinically tested, delivering superior results in weight gain and mass-building when used consistently as directed.

Ideal for men and women seeking curves or muscle
Supports appetite increase and targeted weight/mass gain for both men looking to bulk up and women wanting fuller hips, thighs, and booty.

Praised for appetite boost and visible transformation
Frequently praised for effective appetite boosting and supporting visible gains in body mass, shape, and muscle for diverse users.
8.1

Good

Our Rating

10 Best sports nutrition weight gainers of 2026

1

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

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)

5

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)

6

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

7

NAKED Vanilla Mass - All Natural Vanilla Weight Gainer Protein Powder - 8lb Bulk, NSF Certified, GMO Free, Gluten Free & Soy Free, No Artificial Ingredients - 1,260 Calories - 11 Servings

8

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

9

Animal M-Stak - Muscle Builder and Anabolic Mass Gainer Supplement for Bodybuilding - Lean Muscle Growth, Amino Complex and Pre Workout Energy, 21 Packs

10

Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer

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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)

RIVAL NUTRITION Clean Gainer Soft Serve Vanilla High-Protein Lean Gainer Powder I 5 Lb, 16 Servings I 550 Calories, 30g Protein, 97g Multi-Source Carbs Per Serving I Natural Flavors, Clean Ingredients

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

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, Chocolate Fudge)

NOW Foods Sports Nutrition, Carbo Gain Powder (Maltodextrin), Rapid Absorption, Energy Production, 8-Pound

Rival Nutrition Clean Gainer Chocolate Fudge 5 Lb I High Protein Lean Gainer Powdered Drink Mix I 560 Calories, 30g Protein, and 99g Multi-Source Carbs Per Serving I 15 Servings

Rule 1 Proteins Clean Gainer - High-Protein Lean Gain Formula with 560 Calories, 30g of Full-Spectrum Protein, Over 90g Carbs, Under 6g of Fat (15 Servings, Vanilla Ice Crème)

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

MHP UYM XXXL 1350 Mass Building Weight Gainer, Muscle Mass Gains, w/50g Protein, High Calorie, 11g BCAAs, Leucine, Milk Chocolate, 8 Servings

BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Chocolate Milkshake, 10.38 Pound, 15 Servings

10 Best sports nutrition weight gainers of 2026

1

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Double Chocolate, 10.19 Pounds (Packaging May Vary)

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

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

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)

5

Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)

6

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

7

NAKED Vanilla Mass - All Natural Vanilla Weight Gainer Protein Powder - 8lb Bulk, NSF Certified, GMO Free, Gluten Free & Soy Free, No Artificial Ingredients - 1,260 Calories - 11 Servings

8

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

9

Animal M-Stak - Muscle Builder and Anabolic Mass Gainer Supplement for Bodybuilding - Lean Muscle Growth, Amino Complex and Pre Workout Energy, 21 Packs

10

Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer

Similar products on Amazon

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)

RIVAL NUTRITION Clean Gainer Soft Serve Vanilla High-Protein Lean Gainer Powder I 5 Lb, 16 Servings I 550 Calories, 30g Protein, 97g Multi-Source Carbs Per Serving I Natural Flavors, Clean Ingredients

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

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, Chocolate Fudge)

NOW Foods Sports Nutrition, Carbo Gain Powder (Maltodextrin), Rapid Absorption, Energy Production, 8-Pound

Rival Nutrition Clean Gainer Chocolate Fudge 5 Lb I High Protein Lean Gainer Powdered Drink Mix I 560 Calories, 30g Protein, and 99g Multi-Source Carbs Per Serving I 15 Servings

Rule 1 Proteins Clean Gainer - High-Protein Lean Gain Formula with 560 Calories, 30g of Full-Spectrum Protein, Over 90g Carbs, Under 6g of Fat (15 Servings, Vanilla Ice Crème)

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

MHP UYM XXXL 1350 Mass Building Weight Gainer, Muscle Mass Gains, w/50g Protein, High Calorie, 11g BCAAs, Leucine, Milk Chocolate, 8 Servings

BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Chocolate Milkshake, 10.38 Pound, 15 Servings

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