









🚀 Bulk up smarter, not harder with Serious Mass!
Optimum Nutrition Serious Mass is a vegetarian high-calorie weight gainer powder delivering 1200+ calories, 50g protein, and 250g+ carbs per serving, enriched with 23+ vitamins, minerals, creatine, and glutamine. Designed for adults with fast metabolisms or high energy demands, it supports muscle growth and recovery when combined with resistance training and a balanced diet. Made with imported European ingredients and produced in a certified facility in India, Serious Mass ensures premium quality and purity.
| Additives | L-Glutamine |
| Allergen Information | Milk, Soy |
| Units | 1000.0 Grams |
| Serving Recommendation | 2 Scoops (334g) |
| Brand | Optimum Nutrition |
| Format | Powder |
| Age Range Description | Adult |
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