Optimum Nutrition Serious Mass – High-Calorie Muscle & Weight Gainer
Premium sports nutrition product
Product Details
Optimum Nutrition Serious Mass is a powerful calorie-dense formula designed to help you build size, strength, and muscle mass fast. If you struggle to gain weight or maintain a calorie surplus, this product delivers exactly what your body needs — a huge nutritional boost packed with protein, complex carbohydrates, vitamins, and minerals to support recovery and growth.
Each serving provides around 1,250 calories, 50 grams of premium protein, and over 250 grams of quality carbs to refuel your muscles and push your training performance to the next level. Added creatine, glutamine, and essential vitamins help support energy metabolism and post-workout recovery, making it the ideal supplement for hard gainers and athletes looking to increase lean mass.
Key Benefits
• 1,250+ calories per serving to support mass and size gains
• 50 g of protein from a blend of high-quality sources
• 250+ g of complex carbohydrates for energy and glycogen replenishment
• Fortified with vitamins, minerals, creatine, and glutamine
• Helps improve recovery and muscle growth after intense training
• Great taste and easy mixability — perfect for between meals or post-workout
• Suitable for athletes and individuals with high-calorie needs
How to Use
Mix two heaping scoops of Serious Mass with 700–800 ml of water or milk. Blend for 30–40 seconds until smooth. For best results, take 1–2 servings daily — one after training and another between meals to maintain a calorie surplus.
Ingredients (general)
Protein blend (whey protein concentrate, calcium caseinate, egg albumin, sweet dairy whey), maltodextrin (complex carbohydrates), creatine monohydrate, glutamine peptides, vitamins and minerals, flavoring, sweeteners (sucralose, acesulfame K).
Who it’s for
Ideal for hard gainers, athletes, and anyone who struggles to consume enough calories through food alone. It’s especially useful during muscle-building or bulking phases.
Typical Nutrition Information (Per 334 g / 2 Scoops Serving)
| Nutrient | Amount |
|---|---|
| Energy | 1,250 kcal |
| Protein | 50 g |
| Total Carbohydrates | 252 g |
| – Sugars | 20 g |
| Total Fat | 4 g |
| – Saturated Fat | 2 g |
| Dietary Fiber | <1 g |
| Sodium | 430 mg |
| Potassium | 1,000 mg |
| Creatine Monohydrate | 3 g |
| L-Glutamine & Glutamine Peptides | 500 mg |
| Vitamins & Minerals | 25+ essential micronutrients |
Values may vary slightly depending on flavour.
Nutrition Facts
Add a nutrition image from product metafields or section settings.
Shipping & Delivery
We offer fast delivery across the UAE. Orders are packed carefully and delivered through reliable courier partners. Delivery time may vary depending on location and order confirmation time.