Updated: May, 2026

Best weight gainers

Save up to 19% Off

1

Optimum Nutrition

9.9

Exceptional

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

Why we love it

High calorie content supports weight gain

Rich in protein and vitamins

Easy to blend with other foods

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.

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Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
How do we rank?

Using our advanced technology, we scan thousands of products and stores, analyzing reviews, ratings, and trends to find what matters most to users like you.

Our team then reviews the data and real user feedback, combining AI and human insights to bring you real-time, top-rated recommendations to guide your decisions with clarity and confidence.
2

Dymatize

9.8

Exceptional

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)

18% Off

Why we love it

High BCAAs and protein for muscle growth.

Contains 1280 calories for effective weight gain.

Includes 17 vitamins and minerals for balanced nutrition.

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.

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3

Dymatize

9.7

Exceptional

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)

13% Off

Why we love it

High calorie for mass gain.

Rich in protein and BCAAs.

Tasty vanilla flavor.

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.

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4

Optimum Nutrition

9.4

Excellent

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

19% Off

Why we love it

Trusted Quality

High Calorie Intake

Add Fruits, Peanut Butter, etc.

Main highlights

Packaging may vary - New look, with the same trusted Quality!

High Calorie Weight Gainer: 1,250 Calories per 2-Scoop Serving

50 Grams of Protein per Serving

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5

Rule 1 Proteins

9.3

Excellent

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, Vanilla Crème)

Why we love it

High-calorie content for effective weight gain.

Balanced carb-to-protein ratio supports muscle growth.

Includes essential nutrients like BCAAs and creatine.

Main highlights

High Calorie Formula
R1 Mass Gainer offers 1,220+ calories per serving to help you bulk up effectively.

Ideal for Weight Training
Perfect for those combining high-calorie diets with intense workouts for muscle gain.

Praised Protein Content
Customers love the 40g all-whey protein for its quality and effectiveness.

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6

Naturade

9.2

Excellent

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

Why we love it

High-calorie content supports weight gain.

Natural ingredients, no artificial additives.

Award-winning formula, gluten-free.

Main highlights

Effective Weight Management
Delivers 1600 calories per serving, ideal for athletes and those needing weight gain.

Ideal for Athletes and Fast Metabolisms
Perfect for bodybuilders, fast metabolism individuals, and those needing additional calories.

Praised for Appetite Increase
Customers noted increased appetite and successful weight gain.

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7

Optimum Nutrition

8.9

Very Good

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

Why we love it

Vitamin C, Zinc and Vitamin D provide Immune support

50 grams of protein per serving

Over 250 grams of carbohydrates per serving

Main highlights

HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving

50 grams of blended protein per 2-scoop serving

250 grams of carbohydrates per 2-scoop serving

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8

Dymatize

8.7

Very Good

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)

Why we love it

High in BCAAs for effective muscle protein synthesis.

Contains 52g of protein for comprehensive muscle support.

1280 calories per serving ideal for mass gainers.

Main highlights

High Protein and Caloric Content
52 grams of protein per serving, 1280 calories, and 245g carbs per serving to support muscle growth and mass gain.

Ideal for Hard Gainers and Meal Replacement
Perfect for those struggling to gain weight or needing a high-calorie meal replacement, with 10.7 grams of BCAAs and 17 vitamins and minerals.

Smooth Texture and Good Taste
Praised for its smooth texture, good taste, and easy mixing with milk or water, making it enjoyable and convenient for daily use.

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9

BOOST

8.6

Very Good

BOOST Very High Calorie Nutritional Drink – Helps Weight Gain & Maintenance - 530 Calories - 26 Vitamins & Minerals - 22 g Protein - Calorie-Dense Nutritional Drink - Chocolate - 8 fl oz (Pack of 24)

Why we love it

High calorie content for weight gain

Contains 22 g protein to support muscles

Convenient grab and go nutritional option

Main highlights

530 Calorie Serving for Energy and Weight Support
Each 8 fl oz serving delivers 530 calories with 22 grams of protein and 26 vitamins and minerals, ideal for those seeking a calorie-dense nutritional supplement.

Ideal for Weight Gain or Maintenance Needs
Perfect snack or mini meal for individuals looking to gain or maintain weight, offering convenient support in a ready-to-drink format.

Great Taste Praised in Nutritional Drink
Enjoyed for its great chocolate flavor, making it easy for users to meet nutritional goals without sacrificing taste.

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10

Mutant

8.5

Good

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

Main highlights

"Premium 3-source whey protein blend: Each serving provides 46g of 100% pure whey protein (when mixed with 1% milk) from isolate, concentrate, and hydrolyzed sources to support rapid muscle recovery and repair after intense strength training sessions."

"Extreme calorie density for hard gainers: Specially formulated for those with fast metabolisms who struggle to add size, this high calorie protein delivers 1,270 calories per serving to fuel intense muscle building and help you overcome stubborn plateaus."

"Complex carbs from real food sources: Fuel your gains with clean calories sourced from nutrient-dense natural whole foods like sweet potato, barley, and rolled oats. This sustained energy source helps replenish glycogen without the use of unnecessary junk fillers."

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Our top pick

1

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vitamin C and Zinc for Immune Support, Vanilla, 12 Pound (Packaging May Vary)
Optimum Nutrition Serious Mass Weight Gainer Protein Powder in Vanilla delivers a comprehensive nutritional solution designed for those aiming to increase calorie intake and support weight gain. Each 2-scoop serving provides an impressive 1,250 calories, 50 grams of protein, and over 250 grams of carbohydrates, making it ideal for people looking to build mass or struggle to maintain weight. This formula is enriched with 25 essential vitamins and minerals, plus added creatine and glutamine to support muscle recovery and energy. The powder can be easily mixed using an electric blender and is versatile enough to be combined with foods like nuts and fruits for enhanced caloric intake. The 12-pound package provides ample servings, while its vanilla flavor ensures a pleasant taste. Though the product is sensitive to heat and comes in varying packaging, its high-calorie, high-protein content and nutrition-packed blend make it a top choice for anyone pursuing substantial calorie and nutrient support.

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