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Optimum Nutrition's Serious Mass is a 6 lb vanilla-flavored weight gainer powder delivering 1,250 calories, 50 grams of protein, and over 250 grams of carbs per serving. Enhanced with 25 essential vitamins and minerals plus creatine and glutamine, it supports muscle growth, recovery, and immune health—perfect for serious athletes and busy professionals aiming to level up their physique.






| Product Name | HEALTH_PERSONAL_CARE |
| Additives | L-Glutamine, Lecithin |
| Allergen Information | Milk, Soy |
| Weight | 6 Pounds |
| Units | 2720 Grams |
| Use By Recommendation | nstantized powder makes the ideal post-workout and between meals shake for sizing up your goals. |
| Serving Recommendation | 2 Heaping Scoop |
| Country of origin | us |
| Brand | Optimum Nutrition |
| Format | Powder |
| Age Range Description | Adult |
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