Optimum Nutrition Serious Mass is a high-calorie mass gainer powder designed to support muscle-building and weight-gain goals. Chocolate-flavored and easy to mix, it provides a combination of protein and carbohydrates for those looking to increase their daily calorie intake.

Features:

* Chocolate flavor

* 1,262 calories per serving

* 50 g protein per serving

* 248 g carbohydrates per serving

* Includes creatine

* Ideal for weight-gain and muscle-building nutrition

* Net weight: 2.73 kg (6 lb)

* 8 servings

Condition: New

Brand: Optimum Nutrition

Product: Serious Mass

Flavor: Chocolate