Optimum Nutrition Serious Mass Weight Gainer – Vanilla Flavor, High-Calorie Mass Gainer (6 lb)

Optimum Nutrition Serious Mass is designed to support weight gain and muscle growth through a high-calorie formula that includes protein, carbohydrates, and vitamins. Its calorie-dense structure supports individuals who require additional daily calories for muscle growth. The Vanilla flavor provides a smooth dessert-style taste suited for large shake servings. Key Benefits • Supports weight gain goals• High-calorie formula• Includes protein and carbohydrates• Designed for bulking routines• Supports muscle growth• Suitable for high-calorie diets• Mixes into large shakes• Vanilla dessert-style flavor Product Details • Brand: Optimum Nutrition• Product Type: Mass Gainer• Flavor: Vanilla• Category: Weight Gainer• Container Size: 6 lb• Purpose: Muscle and weight gain• Protein Type: Protein blend• Usage: Post-workout or meal replacement Best Uses Ideal for bulking phases, increasing calorie intake, and supporting muscle size development. Why High-Calorie Mass Gainers Like Serious Mass Are Popular High-calorie mass gainers are popular because they help individuals reach calorie goals needed for muscle growth. Many hard gainers rely on calorie-dense shakes to support weight gain when regular meals are not enough.