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 2025
Save up to 13% off
Best Choice1
The Genius BrandThe Genius Brand - Genius Muscle Builder & Mass Gainer, Strawberry Vanilla - 100% Natural Anabolic Activator Supplement for Men & Women - Weight Gainer for Lean Muscle Growth & Bodybuilding
9.9Exceptional
Our Rating
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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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Value for Money2
Optimum NutritionOptimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 10.19 Pound (Packaging May Vary)
13% Off9.8Exceptional
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DymatizeDymatize 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)
11% Off9.7Exceptional
Our Rating
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4
Optimum NutritionOptimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)
11% Off9.5Excellent
Our Rating
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5
Optimum NutritionOptimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 12 Pound (Packaging May Vary)
9.4Excellent
Our Rating
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6
MuscleTechMuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound
9.1Excellent
Our Rating
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7
NaturadeNaturade Weight Gain Instant Nutrition Drink Mix, Vanilla ,20.3 Ounce
9.0Excellent
Our Rating
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8
BOOSTBOOST 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)
8.9Very Good
Our Rating
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9
GNCGNC Pro Performance Weight Gainer Protein Powder, 50g Protein, High Calorie, 700 Calories, Supports Mass and Muscle Recovery, MCT, BCAA, 3rd Party Tested, Vanilla Ice Cream, 6 Servings, 2.5 lbs
8.7Very Good
Our Rating
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10
NAKEDNAKED Double Chocolate Mass - 1,260 Calories, 50G Protein, Nothing Artificial. All Natural Weight Gainer Protein Powder - 8Lb Bulk, GMO Free, Gluten Free & Soy Free
8.6Very Good
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