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
569+
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
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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4
9.6Exceptional
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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5
9.4Excellent
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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6
9.2Excellent
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)
10% Off
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7
9.1Excellent
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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8
Supragenix8.9Very Good
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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9
8.8Very Good
Forzagen Lean Gainer Premium Mass Builder | Mass Gainer Protein Powder for Men & Women | High Calorie Protein, Weight Gain, Bulk, Muscle Building Supplement | Dutch Chocolate, 12 lbs. (16+ Servings)
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10
Optimum Nutrition8.7Very Good
Optimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)
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