DescriptionOptimum Nutrition Serious Mass is the ultimate high-calorie weight gainer for athletes, lifters, and hard gainers who want to increase muscle mass and strength. Each serving packs over 1,200 calories, 50 grams of protein, and complex carbohydrates to fuel muscle growth and recovery after demanding workouts.Fortified with creatine, glutamine, and a complete vitamin and mineral blend, this formula helps improve endurance, support lean mass development, and keep you energised throughout the day. The rich chocolate flavour makes every shake smooth, delicious, and satisfying — perfect for anyone struggling to hit their daily calorie and protein targets.Whether your goal is bulking up, improving recovery, or maintaining size during heavy training, Serious Mass delivers the complete nutrition your body needs to perform and grow.Why You’ll Love It:Over 1,200 calories and 50g of protein per servingPacked with complex carbs, creatine, and glutaminePromotes lean muscle growth and strengthSmooth and delicious chocolate flavourPerfect for hard gainers and athletes with high energy needsTrusted quality from Optimum NutritionHow to Use:Mix two heaping scoops with 600–700ml of water or milk and shake until smooth. Take one to two servings daily, ideally after workouts or between meals, to maintain a consistent calorie intake.Ingredients:Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen), Maltodextrin, Creatine Monohydrate, Glutamine, Vitamins, Minerals, Cocoa Powder, Flavouring, and Sweeteners.Flavour: ChocolateSize: 5.45kg
