Serious Mass – High-Calorie Weight Gainer for Maximum Muscle Growth

Optimum Nutrition Serious Mass is the ultimate high-calorie mass gainer designed for athletes, bodybuilders, and hard gainers who want to achieve rapid size and strength gains. With a powerful combination of premium protein, complex carbohydrates, and essential nutrients, this formula fuels muscle recovery, boosts strength, and supports healthy weight gain.

Key Benefits:

• 💪 High-Calorie Power: Each serving provides 1,250 calories to help you meet your daily calorie goals and support serious muscle growth.

• ⚡ Rich in Protein & Carbs: Contains 50g of high-quality protein and over 250g of complex carbohydrates for sustained energy and muscle recovery.

• 🔁 Enhanced Recovery & Strength: Infused with BCAAs, creatine, and glutamine to support post-workout repair, endurance, and muscle strength.

• 🧬 Balanced Nutrition: Includes 25 essential vitamins and minerals to support overall health and performance.

• 🍫 Delicious Flavors & Easy Mixability: Enjoy rich, smooth flavors that blend perfectly with water or milk for a satisfying shake anytime.

How to Use:

Mix 2 heaping scoops with 500–600 ml of water or milk using a blender or shaker.
Consume once or twice daily — ideally after workouts and between meals for maximum results.

Ideal For:

• Hard gainers aiming to increase body weight and muscle mass

• Athletes seeking high-calorie nutrition to support training intensity

• Individuals needing a convenient, nutrient-dense meal supplement

Why Choose Serious Mass?

From Optimum Nutrition, the trusted leader in sports nutrition, Serious Mass is formulated to help you build real size, not fat. Its balanced blend of protein, carbs, and nutrients delivers everything your body needs for serious results — because when it comes to mass gain, nothing works like Serious Mass.