Optinum Nutrition Serious Mass Gainer 6lbs

Optimum Nutrition Serious Mass powder provides 1260 calories, 50g of protein, and 253g of carbohydrates per serving, designed for muscle gain.

• The description claims that it helps fuel workouts and supports a bulking diet.
• The description claims that it contains 50g of complete protein from fast-digesting whey protein concentrate.
• The description claims that it includes 19 vitamins and minerals and 8g of naturally occurring glutamine per serving.