Optimum NutritionLAB TESTED
Serious Mass Strawberry Weight Gain Protein Powder | 12 lbs
★★★★⯨
4.3(179 ratings)$79.99
See price history↓About This Product
With the Serious Mass Strawberry Weight Gain Protein Powder, Optimum Nutrition aims to offer quality nutrition that fits your lifestyle.
If gaining weight has always been a challenge, this mass gainer could be your ally.
Optimum Nutrition's high-calorie mass gainer formulated for athletes looking to increase size and strength.
Informed Sport certified, meaning every batch is tested for banned substances and purity.
Well-suited for muscle-building goals when paired with consistent training.
Uses animal-derived protein sources for a complete amino acid profile.
A premium-tier product for those willing to invest in top-shelf formulations.
Available at $79.99 — a competitive price point for the US market.
A well-rounded offering from Optimum Nutrition that checks the right boxes for most users.
Product Details
BrandOptimum Nutrition
CategoryMass Gainers
Typehigh_calorie
DietNon-Veg
Lab Tested ByInformed Sport
About Optimum Nutrition
The brand behind this product — their story and what they stand for.
Trusted American sports nutrition brand since 1986. Gold Standard Whey is the world's best-selling protein powder, backed by decades of quality manufacturing.
Who Is This For?
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.
Price History
Track how the price has changed over the last 90 days on Amazon.com.
Current$79.99
Price stable over this period
How To Use
Step-by-step usage instructions so you get the most out of every serving.
- 1
Mix 1–2 scoops with 300–400ml of milk for a calorie-dense shake.
- 2
Consume between meals or post-workout to hit your caloric surplus.
- 3
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.
Quick Comparison
See how this product compares to similar options in its category.
| This Product | Dymatize | Rule 1 Proteins | Animal | |
|---|---|---|---|---|
| Price | $79.99 | $39.98 | $33.00 | $43.95 |
| Per Serving | - | - | - | - |
| Servings | — | — |
Frequently Asked Questions
Common questions about this product — answered clearly and honestly.
Is Serious Mass Strawberry Weight Gain Protein Powder | 12 lbs vegetarian or vegan?
This product is Non-Veg. It may contain animal-derived ingredients — check the label for specifics.
Is Serious Mass Strawberry Weight Gain Protein Powder | 12 lbs lab tested? Who tested it?
Yes, this product has been lab tested by Informed Sport. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
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