ON’s Serious Mass is formulated for athletes who are serious about packing on quality mass. Each great-tasting serving delivers over 1,250 nutrient packed calories built on a foundation of 50 grams of muscle building protein from high-quality sources including Ultrafiltered Whey Protein Concentrate, Calcium Caseinate, and Egg Albumen. A combination of low glycemic carbohydrates and MCTs will fuel your body with enough energy to carry you through even the most demanding workouts. In addition, Creatine Monohydrate and Glutamine have been added to help optimize each strength-training workout, while a complete Vitamin and Essential Mineral profile insures your body gets the balanced nutrition it needs.

Directions of Use:

Add 2 heaping scoops of Serious Mass to a large blender filled with 24 oz. of cold water or milk. Blend on high for 45 seconds or until thoroughly mixed. For maximum weight gain, take three servings daily; one in the morning, another in the afternoon, and a final serving at bedtime (20-30 minutes before going to sleep).

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.

Beyond The Basics

• 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
• FREE DELIVERY ON THIS ITEM MON-FRI ONLY