Size up your goals while sizing up your body! ON Serious Mass is the ultimate in weight gain formula. This is your ideal post-workout and between meals shake, with 1,250 calories per serving and 50 grams of protein for muscle recovery support. ON Serious mass provides you with the tools you need to develop the physique you’ve always dreamed of having.
Adding Calories Has Never Been This Easy or Tasted So Good
50 Grams of Blended Protein
Over 250 Grams of Carbohydrates with NO ADDED SUGAR