Our rankings are generated through the algorithmic analysis of thousands of customer reviews about products, brands, merchant customer service levels, popularity trends, and more. We use advanced technology, including AI, to help process and organize this information at scale, supporting our analysis with greater speed and consistency. The rankings reflect our opinion and should be a good starting point for shopping.
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10 Best weight gainers of 2026
Explore top picks
Best Choice1
Optimum Nutrition9.7Exceptional
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate 12LB
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Calories per 2-scoop serving:More than 1,200
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Carbohydrates per 2-scoop serving:Over 250 grams
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Key nutrients:Vitamin C and Zinc
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Protein per 2-scoop serving:50 grams
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Vitamins and minerals included:Over 20
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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
Trusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impact
Thousands of users trust our site daily- Based on millions of stores and reviews
- Shoppers influence our rankings
Value for Money2
Dymatize9.6Exceptional
Dymatize Super Mass Gainer, 52g Protein Powder, Rich Chocolate, 12 lb
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3
Dymatize9.5Excellent
Dymatize Super Mass Gainer, 52g Protein Powder, Gourmet Vanilla, 6 lb
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4
Naturade9.4Excellent
Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support, Balanced Calories with Protein, Vitamins & Minerals, Vanilla - 20.3 oz
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5
Optimum Nutrition9.3Excellent
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 3LB
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6
Optimum Nutrition9.0Excellent
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6LB
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7
Optimum Nutrition8.9Very Good
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 6LB
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8
Dymatize8.7Very Good
Dymatize Super Mass Gainer 52g Protein Powder, Rich Chocolate, 6 lb
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9
Supragenix8.4Good
CB-1 Weight Gainer Pills (90 Count) | Clinically Tested Appetite Stimulant
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10
Naturade8.3Good
Naturade Weight Gain Nutrition Drink Mix for Healthy Weight Support, Balanced Calories with Protein, Vitamins & Minerals, Chocolate - 20.3 oz
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