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Mutant brings the Mutant Mass Weight Gainer Protein Powder – Build Muscle Size and to your fitness arsenal — here's what sets it apart.
When regular meals aren't cutting it for your calorie surplus, this steps in.
Mutant's mass gainer provides 56g protein and 1100 calories per serving for serious weight gain.
Carries the Informed Choice certification — independently tested to ensure what's on the label is what's in the tub.
Can support fat-loss phases by helping maintain adequate protein levels.
Suitable for vegetarians, so you can supplement confidently on a plant-inclusive diet.
A premium-tier product for those willing to invest in top-shelf formulations.
Typically ranges from $81–$94 — a competitive price point for the US market.
Worth considering if you're comparing options in the mass gainer category.
Track how the price has changed over the last 90 days on Amazon.com.
The brand behind this product — their story and what they stand for.
US-based supplement brand offering mass gainer and weight gain products.
Understand which fitness goals this product is best suited for.
Fat Loss
Helps maintain lean muscle during a caloric deficit. Pair with a structured workout and nutrition plan.
Muscle Gain
Supports muscle growth and recovery when combined with resistance training and a protein-rich diet.
Step-by-step usage instructions so you get the most out of every serving.
Mix 1–2 scoops with 300–400ml of milk for a calorie-dense shake.
Consume between meals or post-workout to hit your caloric surplus.
Start with 1 scoop to assess tolerance before moving to the full serving.
Track your total daily calories. A mass gainer works best when it fills a genuine calorie gap — not as a meal replacement.
See how this product compares to similar options in its category.
| This Product | 5% Nutrition | MuscleMeds | Myogenix | |
|---|---|---|---|---|
| Price | $89.99 | $56.99 | $110.03 | $79.95 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✓ | ✗ | ✗ | ✗ |
| Rating | 4.6 ★ | 4.7 ★ | 4.3 ★ | 4.4 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
Yes, this product has been lab tested by Informed Choice. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
5% Nutrition
5% Nutrition Rich Piana Real Carbs + Protein | Clean Mass Gainer Protein Powder | Real Food Carbohydrate Fuel for Pre Workout/Post-Workout Recovery Meal | 2.89 lb, 20 Srvgs (Blueberry Cobbler)
MuscleMeds
MuscleMeds Carnivor Mass Chocolate Big Steer 1250, 15 Lb (Packaging May Vary)
Myogenix
Myogenix Critical Mass Gainer – Muscle Mass Weight Gain Supplement, Zero Lactose Whey Protein Powder – Anabolic Whey Protein – Chocolate (5 lbs)
NAKED
NAKED Chocolate Mass Gainer - All Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,360 Calories
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