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💥 Bulk up smarter, not harder with Serious Mass!
Optimum Nutrition Serious Mass is a high-calorie weight gainer delivering 1,250 calories and 50 grams of protein per serving, enriched with 22 vitamins and minerals for immune support. Perfect for post-workout recovery and muscle growth, its versatile formula lets you customize shakes with calorie-dense add-ins, making it a top choice for adults aiming to accelerate weight gain and muscle development.













| ASIN | B00OV0VYHI |
| Age Range Description | Adult |
| Best Sellers Rank | #15,456 in Health ( See Top 100 in Health ) #722 in Sports Supplements |
| Brand | Optimum Nutrition |
| Brand Name | Optimum Nutrition |
| Customer Reviews | 4.5 out of 5 stars 5,696 Reviews |
| Diet Type | Vegetarian |
| Diet type | Vegetarian |
| Flavor | Chocolate Peanut Butter |
| Flavour | Chocolate Peanut Butter |
| Global Trade Identification Number | 00748927052572 |
| Item Dimensions | 29.2 x 14 x 40.6 centimeters |
| Item Weight | 5.44 kg |
| Item weight | 5.44 kg |
| Manufacturer | Glanbia Performance Nutrition |
| Manufacturer Part Number | 1056371 |
| Material Type Free | Caffeine Free |
| Material type free | Caffeine Free |
| Model Number | 1056371 |
| Number of Items | 1 |
| UPC | 748927052572 |
| Unit Count | 5443.1 Grams |
| Unit count | 5443.1 Grams |
C**E
Bon produit
BIEN
J**H
Great taste
R**O
Un 10
Buen sabor y buena calidad! Un 10.
A**N
Proteina di qualità
Ottimi effetti e gusto davvero piacevole. Richiede un po’ più tempo per sciogliersi in acqua, ma le porzioni sono abbondanti e soddisfacenti.
J**T
Fast delivery
Trustpilot
2 weeks ago
2 weeks ago