Best Mass Gainers of 2026: Top 5 Ranked & Reviewed
Our 2026 ranking of the best mass gainers — tested criteria, honest pros and cons, and current Amazon pricing for every pick.
Our Top Pick: Optimum Nutrition Serious Mass
The classic high-calorie gainer: 1,250 calories and 50g protein per full serving for hardgainers who struggle to eat enough.
Check Price on Amazon →The 2026 Mass Gainers Rankings
| Product | Best For | Calories | Protein | Carbs | Servings | Score | |
|---|---|---|---|---|---|---|---|
| Optimum Nutrition Serious Mass Best Overall Gainer |
True hardgainers who cannot eat enough whole food. | 1,250 | 50g | 250g | 8–16 | 4.0/5 | Amazon → |
| Naked Mass Weight Gainer Cleanest Label |
Clean-label bulkers who blend their own smoothies. | 1,250 | 50g | 252g | 11 | 4.0/5 | Amazon → |
| Dymatize Super Mass Gainer Cleaner Formula |
Skinny lifters bulking hard. | 1,280 | 52g | 246g | ~8 | 3.8/5 | Amazon → |
| Rival Nutrition Clean Gainer Best Clean Gainer |
Lean bulkers who want calories without junk. | 560 | 30g | 90g | ~15 | 3.8/5 | Amazon → |
| MuscleTech Mass-Tech Extreme 2000 Best With Creatine |
Extreme hardgainers and heavyweight athletes. | 2,000+ | 80g | 400g | varies | 3.5/5 | Amazon → |
Editorial scores. Check live Amazon listings for current prices and availability.
1. Optimum Nutrition Serious Mass — Best Overall Gainer
The classic high-calorie gainer: 1,250 calories and 50g protein per full serving for hardgainers who struggle to eat enough.
- 1,250 calories per serving
- 50g protein + 250g carbs
- 25 vitamins & minerals added
- Huge 2-cup serving size
- High sugar content
- Best split into half servings
Best for: True hardgainers who cannot eat enough whole food. Skip if: Anyone who gains fat easily — eat whole food first.
Check Price on Amazon → Full review →
2. Naked Mass Weight Gainer — Cleanest Label
Just three ingredients: naked whey, naked casein, and organic maltodextrin. 1,250 calories with no artificial anything.
- 3 ingredients only
- 50g protein per serving
- No artificial sweeteners
- Unflavored is bland
- Premium price
- Big 4-scoop serving
Best for: Clean-label bulkers who blend their own smoothies. Skip if: Anyone wanting dessert flavors out of the bag.
Check Price on Amazon → Full review →
3. Dymatize Super Mass Gainer — Cleaner Formula
1,280 calories with 52g protein and added creatine, from the ISO100 brand — slightly better flavor engineering than most gainers.
- 52g protein per serving
- 10.7g BCAAs + creatine
- Good mixability for a gainer
- Very large serving
- Sugar-heavy
- Tub empties fast
Best for: Skinny lifters bulking hard. Skip if: Cutting or recomp phases.
Check Price on Amazon → Full review →
4. Rival Nutrition Clean Gainer — Best Clean Gainer
A moderate 560-calorie gainer built from complex carbs and 8 protein sources — easier to fit into a lean bulk.
- 560 calories — controllable
- 30g protein, lower sugar
- Organic fruit & fiber blend
- Less caloric punch
- Smaller brand
- Availability varies
Best for: Lean bulkers who want calories without junk. Skip if: Extreme hardgainers needing 1,000+ calorie shakes.
Check Price on Amazon → Full review →
5. MuscleTech Mass-Tech Extreme 2000 — Best With Creatine
Over 2,000 calories per max serving with 10g creatine included — the heaviest hitter for extreme hardgainers.
- Up to 2,000+ calories
- 80g protein per max serving
- 10g creatine included
- Massive serving size
- High sugar
- Overkill for most people
Best for: Extreme hardgainers and heavyweight athletes. Skip if: Beginners — start with food and a standard gainer.
Check Price on Amazon → Full review →
How We Rank
Every product is scored on value (cost per serving or per use against alternatives) and performance (formula quality, build quality, testing, and user experience). We favor third-party tested products, transparent labels, and established brands with real track records. Affiliate commissions never influence rankings — several of our top picks are the cheapest options in their category.
FAQ
What is the best mass gainers overall?
Our top overall pick is Optimum Nutrition Serious Mass — The classic high-calorie gainer: 1,250 calories and 50g protein per full serving for hardgainers who struggle to eat enough.
What matters most when choosing mass gainers?
Focus on effective doses or real specs, third-party testing or ratings where relevant, and cost per serving or per use. Ignore hype claims — our buying guide for this category breaks down every factor.
How do you make money from these recommendations?
Links to Amazon are affiliate links — we earn a commission on qualifying purchases at no extra cost to you. Rankings are editorial and are never sold.