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Serious Mass by Optimum Nutrition
Spend over $150 on your order and shipping is on us. Orders under $150 are a flat $9.95.
SAME DAY DISPATCH
Our shipping is fast, like really fast! Order before 3PM Mon-Fri and we'll send it the same day!
RETURNS MADE EASY
Return your unopened product for a full refund within 60 days of purchase, no questions asked.
HIGH-CALORIE WEIGHT GAINER
Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals. Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.
- Adding Calories Has Never Been This Easy or Tasted So Good
- 1,250 Calories
- 50 Grams of Blended Protein
- Over 250 Grams of Carbohydrates with NO ADDED SUGAR
- Creatine, Glutamine and Glutamic Acid
- 25 Vitamins and Essential Minerals