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Optimum Nutrition Serious Mass

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  • Supports Muscle Building & Weight Gain – Formulated to promote lean muscle mass and size
  • Fuels Intense Workouts – Provides sustained energy for training and recovery
  • High Caloric Content – 1,250–1,260 calories per serving to help meet daily energy needs
  • Protein Power – 50g of high-quality protein per serving to support muscle repair and growth
  • Carb-Loaded Fuel – 250–253g of carbohydrates per serving to replenish glycogen stores
  • Creatine Boost – 5g creatine monohydrate per serving to enhance strength and performance

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Size: 6 Lbs
Flavor: Vanilla
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