Optimum Nutrition Serious Mass Chocolate 6 Lb

Optimum Nutrition Serious Mass is a high-calorie protein powder designed for muscle mass gain. This chocolate-flavored formula delivers 1,263 calories per serving with 50g of protein and 251g of carbohydrates to support weight gain and muscle growth goals. Key features: • 1,263 calories per serving • 50g protein per serving • 251g carbohydrates per serving • 6 lb (2.73 kg) container • Chocolate flavor • 8 full servings per container Serious Mass is specifically formulated as a caloric-dense weight gainer supplement for those looking to build size and mass. The powder can be mixed with water or milk and is best consumed between meals or post-workout. The high protein and carbohydrate content helps support muscle recovery and growth while providing the extra calories needed for gaining mass.