💥 Bulk smarter, not harder with Serious Mass!
Optimum Nutrition Serious Mass is a vegetarian-friendly, high-calorie weight gainer powder delivering 1200+ calories, 50g protein, and 250g+ carbs per serving, enriched with 24 vitamins and minerals plus creatine and glutamine to support muscle growth and recovery. Ideal for those with fast metabolisms aiming to gain mass alongside resistance training.
Additives | L-Glutamine |
Brand | OPTIMUM NUTRITION |
Format | Powder |
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