ON Serious Mass (12LB)

Product Expiration Date: 2027

Each serving contains:

1250 calories

50g protein

Over 250g carbohydrates with no added sugar

Weight gain and muscle growth

Supports growth and recovery

Optimum Nutrition Serious Mass is a dietary supplement rich in vitamins and nutrients that aid in healthy weight gain. It contains protein, which helps build and strengthen muscles, and is also rich in calories, providing the energy needed to gain weight that may not be obtained from food alone.

Optimum Nutrition Serious Mass Ingredients

50g Protein

252g Carbohydrates

25 Vitamins and Minerals

Natural and Artificial Flavors

Dietary Supplement

1250 calories

1640 calories when made with low-fat milk

Creatine

L-Glutamine

Glutamine Peptides

Choline

Inositol

Aminobenzoic Acid

Parabenzae