💥 Bulk up like a pro with Serious Mass—because your gains deserve the best!
Optimum Nutrition Serious Mass 5.4kg in Cookies & Cream is a high-calorie mass gainer delivering 1,250 calories, 50g protein, and 250g carbs per serving. Designed for adults seeking rapid muscle and weight gain, it mixes easily and includes a free shaker for on-the-go nutrition.
| Allergen Information | Contains: Wheat, Milk, Soy, Eggs |
| Weight | 5.4 Kilograms |
| Units | 5450 gram |
| Country of origin | United Kingdom |
| Brand | Optimum Nutrition |
| Format | Cream, Powder |
| Age Range Description | Adult |
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