Optimum Nutrition's Serious Mass is the ideal weight gain formul
Each delicious shake contains 1,250 calories, with no added sugar
Every serving deliverys 50 grams of blended protein to support building muscle and 250 grams of carbohydrates to fuel intense workouts & help replenish glycogen stores
Includes 25 Vitamins & Minerals, Creatine, Glutamine & MCT
Contains less than 5 grams of fat per serving
Product Details
Product Dimensions: 4 x 11.5 x 19 inches; 12 pounds