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.
Advertising Disclosure
10 Best mass gainers of 2025
Save up to 16% off
Best Choice1
Transparent LabsTransparent Labs Mass Gainer Protein Powder - Naturally Flavored Grass-Fed Whey w/ 53g Protein, 110g Carbs, High-Calorie Powder for Muscle Gain & Recovery, 3g Creatine - 15 Servings, Chocolate Glaze
9.8Exceptional
-
-
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
Analyzing top stores
Value for Money2
RIVAL NUTRITIONRIVAL NUTRITION Clean Gainer (Bag) Chocolate Fudge 12 lbs
9.5Excellent
-
3
DymatizeDymatize 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)
9.3Excellent
Our Rating
-
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)
Key specs-
Carbohydrates:Over 250 per serving
-
Creatine:Included
-
Protein:50 grams per serving
-
Calories:Over 1,200 per serving
-
Minerals:Zinc
9.1Excellent
Our Rating
-
5
Optimum NutritionOptimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary)
Key specs-
Carbohydrates:Over 250 Grams
-
Creatine:Included
-
Protein:50 Grams
-
Calories:1,250 per serving
-
Minerals:25 Vitamins & Minerals
9.0Excellent
Our Rating
-
-
See Today’s Deals & Prices
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
Key specs-
Carbohydrates:Easily digestible carbs
-
Creatine:Pure HPLC-tested creatine
-
Protein:High-quality protein
-
Calories:1,500 clean calories
-
Minerals:N/A
8.7Very Good
Our Rating
-
7
Optimum NutritionOptimum Nutrition Gold Standard Pro Gainer, Weight Gainer Protein Powder, Vanilla Custard, 5.09 Pounds (Packaging May Vary)
14% Off8.6Very Good
-
8
NutricostNutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO
8.5Good
-
9
MuscleTechMuscletech High-Protein Mass Gainer (Triple Chocolate Brownie, 6LB) - Mass Tech Extreme 2000 Mass Gainer Protein Powder Supplement - Weight Gainer for Increase Muscle, Enhanced Recovery & Strength
8.3Good
-
10
MutantMutant Mass Extreme Gainer – Whey Protein Powder – Build Muscle Size and Strength – High Density Clean Calories (Vanilla Ice Cream, 6 lbs)
16% Off8.2Good
Our Rating
-
