Best Sports Nutrition Weight Gainers Under $100 (2026)
We selected products under $100 and ranked them by a composite value score using calories per serving, protein content, ingredient quality, and cost per serving
The Verdict
- Best Overall: Optimum Nutrition Serious Mass Weight Gainer (Chocolate Peanut Butter) 6 lb — Best for high-calorie bulking: dense calorie and carb profile with added immune-support nutrients for heavy mass phases
- Best Value: 1200mg Beta Ecdysterone Supplement — Best plant-derived hormonal support: beta-ecdysterone supplement aimed at users seeking a botanical adjunct for muscle mass efforts
This roundup covers value-focused sports nutrition weight gainers under $100, selected for calorie density, macronutrient balance, and ingredient transparency. Picks were ranked by a value score combining calories per serving, protein content, ingredient quality, and price-to-serving ratio
Top Picks
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1
Best Overall Optimum Nutrition Serious Mass Weight Gainer (Chocolate Peanut Butter) 6 lb
Best for high-calorie bulking: dense calorie and carb profile with added immune-support nutrients for heavy mass phases
Weight gainer powder with high calories, protein, and carbs plus vitamins and minerals for immune support. Customers note effective weight gain and good taste; mixability varies
- 1,200+ calories per 2-scoop serving
- 50 g protein per serving
- 250 g carbohydrates per serving
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2
NOW Foods Carbo Gain Maltodextrin Powder
Best for pure carbs: maltodextrin powder that delivers easily digestible carbohydrate calories to boost daily intake
Carbo Gain is a maltodextrin-based powder for energy production and weight support. It’s a fast-absorbing complex carbohydrate derived from non-GMO corn, with user notes highlighting ease of mixing and energy during long workouts
- maltodextrin-based energy source
- easy-to-digest glucose polymers
- trusted GMP quality assurance
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3
Dymatize Super Mass Gainer Fruity Pebbles 6 lb
Best for sweet-flavored mass gains: calorie-dense formula with BCAAs suited to those seeking a dessert-style shake
Mass gainer protein powder with 1290 calories and 52g protein per serving, designed to support muscle gains. Customers praise taste and mixability, though some question protein content
- 52g protein per serving
- 1290 calories per serving
- fast and slow digesting protein blend
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4
Optimum Nutrition Serious Mass Weight Gainer Powder Banana
Best for banana-flavor preferences: concentrated calorie and protein blend tailored to sustained mass-building phases
Optimum Nutrition Serious Mass is a high-calorie weight gainer with 50 g protein, 250+ g carbohydrates, and immune-supporting vitamins and minerals. Customers note good taste and effective weight gain, with mixed mixability and large serving size
- heavy calorie and carb content
- substantial protein per serving
- immune-supporting vitamins and minerals
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5
Muscle Milk Pro Series Gainer Protein Powder Vanilla Creme
Best for muscle-focused shakes: protein-centric gainer with a creamier vanilla profile for post-workout recovery and calories
Muscle Milk Pro Series Gainer protein powder with 32g protein, 109g carbs, and 650 calories per serving. Customers note strong weight gain results and good mixability
- 32g protein per serving
- 650 calories per serving
- vanilla creme flavor
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6
Build-XT Daily Muscle Builder & Performance Enhancer
Best for daily performance support: muscle-building and energy-focused formula designed to complement strength training routines
Build-XT supports muscular gains and energy during workouts, aligned with training and nutrition. Customers report increased strength, improved performance, and reduced soreness
- customer-reported energy boost
- strength gains feedback
- positive value-for-money perception
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7
Dymatize Super Mass Gainer Protein Powder Rich Chocolate
Best budget mass blend: concentrated calorie and whey mix that supports weight gain with straightforward ingredient profile
Muscle-building weight gainer with 52g protein per serving and 1,280 calories. Customers note strong taste and effective muscle gains, with mixed feedback on mixability
- 52g protein per serving
- 1,280 calories per serving
- contains whey, isolate, and casein
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8
Best Value 1200mg Beta Ecdysterone Supplement
Best plant-derived hormonal support: beta-ecdysterone supplement aimed at users seeking a botanical adjunct for muscle mass efforts
Plant-based ecdysterone supplement supports lean muscle mass and recovery. Users note enhanced gym performance and quicker strength gains
- 1200 mg per serving
- 98% purity
- plant-based source
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9
Mutant Mass Weight Gainer Protein Powder – Strawberry Banana
Best whey-blend flavor combo: strawberry-banana formula offering calorie density and a familiar whey blend for steady gains
High-calorie protein powder with a whey blend and complex carbs for mass gain. Users note strong taste and solid value, with mixed reports on calorie per serving
- 1100 calories per serving
- 56 g protein per serving
- 26.1 g EAAs and 12.2 g BCAAs
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10
Mutant Mass Gainer Cookies and Cream 5 Pound
Best cookie-and-cream option: calorie-dense mix with a dessert-style flavor that supports high-calorie intake
Mass gainer with 56 g protein, 192 g carbs and 1100 calories per serving. Customer note: great taste and effective for muscle gains, with mixability in milk or water
- 1100 calories per serving
- 56 g protein per serving
- natural whole-food ingredients