Optimum Nutrition Serious Mass Chocolate 5.4kg

A high‑calorie weight gainer that supports muscle building and weight gain, delivering 1,250 calories per serving to help boost calorie intake. Formulated for those who struggle to consume enough food, Serious Mass supplies concentrated macronutrients to assist substantial mass gain.

Key Benefits:

• Formulated to support muscle building and weight gain, supplying concentrated calories and macronutrients for mass accrual.
• Provides 1,250 calories per serving to help boost daily calorie intake for individuals needing substantial additional energy.
• Delivers 50 g of protein per serving to help build and maintain muscle as part of an increased‑calorie nutritional plan.
• Contains over 250 g of carbohydrates per serving to help support muscle recovery and replenish glycogen stores after exercise.
• Includes 3 g added creatine per serving, included to help support performance.

How To Use:

Add 334 g (~ 2 heaped scoops) to a blender filled with 710 ml of water and blend for 30–45 seconds until thoroughly mixed. Store in a cool, dry place.

Key Ingredients:

Key actives per serving: 50 g high protein to help build and maintain muscle, over 250 g carbohydrates to help support muscle recovery and refuel glycogen, plus 3 g added creatine to help support performance.