Optimum Nutrition Serious Mass 12 Lb Vanilla

Optimum Nutrition Serious Mass is a high-calorie weight gainer supplement designed for muscle building and weight gain goals. This vanilla-flavored powder delivers 1,250 calories and 50g of protein per serving, making it an effective solution for those looking to increase mass. Key features: • 1,250 calories per serving • 50g protein per serving • 253g carbohydrates per serving • 12 lb (5.44 kg) total weight • 16 full servings per container • Vanilla flavor • Banned substance tested Serious Mass is specifically formulated to support muscle building and weight gain goals. The large 12-pound container provides 16 complete servings, making it an economical choice for those requiring high-calorie supplementation. The powder can be mixed with water or milk to create a thick, creamy shake. The product has been tested for banned substances, ensuring safety and compliance for competitive athletes.