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A high-calorie mass gainer from Optimum Nutrition offering 3 lb for muscle building and weight gain.
Track how the price has changed over the last 90 days on Amazon.com.
Understand which fitness goals this product is best suited for.
Muscle Gain
Supports muscle growth and recovery when combined with resistance training and a protein-rich diet.
A quick look at pricing, tier, and how it stacks up against the category average.
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 | Naturade | Jacked Factory | PEScience | |
|---|---|---|---|---|
| Price | $28.94 | $18.18 | $18.98 | $19.99 |
| Per Serving | - | - | - | - |
| Servings | — | — |
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.
In-depth guides and articles to help you make a more informed choice.
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| Lab Tested | ✗ | ✗ | ✓ | ✗ |
| Rating | 4.4 ★ | 4.2 ★ | 4.2 ★ | 4.8 ★ |
Jacked Factory Build-XT Daily Muscle Builder & Performance Enhancer - Muscle Building Supplement for Muscular Strength & Growth | Trademarked Ingredients Peak02, ElevATP, & Astragin - 60 Veggie Pills
