








🚀 Bulk up smarter, not harder with Serious Mass!
Optimum Nutrition Serious Mass is a high-calorie mass gainer designed for adults aiming to increase muscle size and weight efficiently. Each serving delivers up to 1272 calories, 53 grams of protein, and over 250 grams of carbohydrates, enhanced with creatine, L-glutamine, and 24 vitamins and minerals. Its instantized formula ensures easy mixing, making it an ideal post-workout or between-meal supplement for those with intense training demands or high caloric needs.


| Additives | L-Glutamine,Creatine |
| Allergen Information | Contains: Egg may contain, Gluten may contain, Milk, Peanuts may contain, Soy, Tree nuts may contain |
| Weight | 2.72 kg |
| Units | 2730.0 Grams |
| Storage Instructions | In a cool, dry place |
| Serving Recommendation | 2 Heaped Scoops-12 to 14 oz |
| Manufacturer contact | 4 Waterside, Dublin 24, Ireland |
| Country of origin | gb |
| Brand | Optimum Nutrition |
| Format | Granule |
| Age Range Description | Adult |
| Country of origin | United Kingdom |
| Serving Size | 100 g, 334 g |
| Energy (kJ) | 1572.00 kJ |
| Energy (kcal) | 375.71 kcal |
| Fat | 1.8000 g |
| Carbohydrate | 75.0000 g |
| Protein | 15.0000 g |
| Salt | 0.5700 g |
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