Optimum Nutrition, Serious Mass, 6 Lb, Chocolate

Optimum Nutrition Serious Mass is a high-calorie protein powder designed for muscle building and weight gain. This chocolate-flavored formula delivers 1,260 calories and 50g of protein per serving to support muscle growth and recovery, making it ideal for athletes looking to increase mass. Key features: • 50g protein per serving • 1,260 calories per serving • 251g carbohydrates per serving • Chocolate flavor • 6 lb (2.72 kg) container • 8 full servings per container • High protein muscle building formula This mass gainer supplement is artificially flavored and specifically formulated to help those who struggle to consume enough calories through regular meals alone. The powder can be mixed with water or milk for a calorie-dense shake. The high carbohydrate content helps fuel intense workouts while supporting weight gain goals when combined with proper training.