With the Ultimate Nutrition ISO Mass Xtreme Gainer, Ultimate Nutrition aims to offer quality nutrition that fits your lifestyle.
A calorie-dense formula built to support hard gainers and bulking phases.
Ultimate Nutrition's high-calorie mass gainer formulated for athletes looking to increase size and strength.
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.
Available at $115.99 — a competitive price point for the US market.
Worth considering if you're comparing options in the mass gainer category.
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.
Track how the price has changed over the last 90 days on Amazon.com.
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 | G6 Sports | Optimum Nutrition | Dymatize | |
|---|---|---|---|---|
| Price | $115.99 | $99.99 | $77.06 | $39.98 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✗ | ✗ | ✓ | ✓ |
| Rating | 4.4 ★ | 4.5 ★ | 4.5 ★ | 4.5 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
As of our last check, this product does not have publicly listed third-party lab testing. Look for brands that offer Trustified, NABL, or Labdoor certifications for verified purity.
G6 Sports
G6 Sports Nutrition Mass Pro High Protein Mass Gainer
Optimum Nutrition
Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 12 Pound (Packaging May Vary)
Dymatize
Dymatize 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)
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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