Serious mass: the Ultimate in weight gain formulas. Serious Mass supplies you with the tools you need to pack on the pounds and develop the physique you've always wanted.

• Adding Calories has never been this easy or tasted so good
• 1,250 Calories
• 50 g of Blended Protein
• Over 250 g of Carbohydrates with No Added Sugar
• Enhanced with Creatine, Glutamine, and Glutamine Peptides
• 25 Vitamins and Essential Minerals