Optimum Nutrition Serious High Protein Mass Gainer Powder Chocolate Flavor 2.72 kg

Optimum Nutrition Serious Mass delivers comprehensive nutritional support for athletes targeting significant muscle and strength gains. Each serving provides 50g of protein combined with complex carbohydrates and essential micronutrients to fuel intense training sessions and accelerate recovery. The rich chocolate flavor ensures consistent palatability across multiple daily servings, while the 2.72kg container offers extended supply for sustained supplementation protocols. Engineered for serious lifters and bodybuilders, this high-calorie formula supports aggressive training programs and ambitious mass-building objectives with scientifically-formulated macronutrient ratios.