Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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10 Best weight gainers of 2026
Save up to 21% off
Best Choice1
9.9Exceptional
571+
bought this week
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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Carbohydrates per 2-scoop serving:Over 250 grams
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Key nutrients:Vitamin C and Zinc
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Calories per 2-scoop serving:More than 1,200
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Vitamins and minerals included:Over 20
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Protein per 2-scoop serving:50 grams
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Value for Money2
9.8Exceptional
Optimum Nutrition GS Pro Gainer Weight Gainer Protein Powder, Double Chocolate, 5.09 Pounds (Packaging May Vary)
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3
9.7Exceptional
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary)
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4
9.5Excellent
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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5
9.4Excellent
NAKED Mass - Natural Weight Gainer Protein Powder - 8 LB Bulk, NSF Certified, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,250 Calories per Serving
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6
9.2Excellent
Mutant Mass Extreme Gainer Protein Powder – High Calorie Weight Gainer with Whey Protein & BCAAs for Muscle Mass & Weight Gain - Vanilla Ice Cream 6 lbs
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7
Supragenix9.0Excellent
Supragenix CB-1 Weight Gainer Pills (90 Count) | Weight Gain Support for Women & Men | Clinically Tested Appetite Booster | Powerful Mass Gainer
21% Off
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8
8.9Very Good
BSN TRUE-MASS Weight Gainer, Mass Gainer Protein Powder, Post Workout Muscle Recovery Powder, Muscle Gainer, 4:1 Carbs to Protein Ratio, Strawberry Milkshake, 10.25 Pound, 15 Servings
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9
Optimum Nutrition8.8Very Good
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)
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10
8.7Very Good
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
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