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ON (Optimum Nutrition) Serious Mass, 6 lb



Key Features:

  • Protein supplement powder with a weight gainer formula
  • Contains 23 minerals and vitamins, and high calorie content
  • Each serving includes 1,200 calories and 50 grams of protein
  • Helps in supporting weight gain and faster muscle recovery


Optimum Nutrition Serious Mass 6 lb Vanilla is a premium weight gain formula for those who are in need of those extra calories but are having a hard time consuming enough of them. With 1238 calories per serving and 50 grams of protein for muscle recovery, this Serious Mass is highly recommended for weight gain. With 1,238 calories and 50 grams of protein per serving for muscle recovery support, this weight gain formula from Optimum Nutrition makes it the ideal post-workout and between meals shake to help you achieve your goals. ON Serious Mass help you to develop the physique you have always wanted.

Product Benefits
  • High-Calorie Formula to supports Weight Gain
  • 50 Grams of Protein per Serving for Muscle Support
  • Enhanced with Creatine, Glutamine & +23 Essential Vitamins and Minerals


Add two heaping scoops of Optimum Nutrition Serious Mass 6 lb Vanilla to a blender filled with 24 oz (710 mL) of water. Blend for 45-60 seconds. Then add a few ice cubes and, if desired, other calorie-contributing ingredients and blend for an additional 30-45 seconds.


Mixing two scoops of Optimum Nutrition Serious Mass 6 lb Vanilla with 24 oz (710 mL) of nonfat or low fat milk instead of water will give you a thicker, creamier, higher-calorie shake. New users may find if beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 or more full servings several times a day.
Optimum Nutrition Serious Mass 6 lb Vanilla is a substantial weight-gain supplement that can be used to feed serious calorie needs in a variety of different ways.

Between Meals

Drink 1/2-1 serving of Optimum Nutrition Serious Mass Vanilla between meals to maintain positive nitrogen balance and support a high-calorie diet.


Begin drinking 1/2-1 serving of Serious Mass 30-45 minutes following exercise to support maximum recovery.

Before Bed

Drink 1/2-1 serving of Optimum Nutrition Serious Mass 6 lb Vanilla about 45-60 minutes before bed to provide nutrients to recovering muscle throughout the night.


For best results use Optimum Nutrition Serious Mass 6 lb Vanilla combined with intense weight training (3-5 times per week) and a sensible whole foods diet. Also, keep in mind that sufficient recovery between workouts impacts your ability to gain lean mass. Allowing at least 48 hours between workouts involving the same body parts is recommended.

Additional information


ON (Optimum Nutrition)


Chocolate, Vanilla

Veg / Non-Veg


Serving Size

2 Scoop ( 334g )


Bulking Up

Number of Servings


Weight (kg)








Importer Name

Bright Commodities, Glanbia Performance Nutrition

Manufacturer Name

Optimum Nutrition, Tirupati Wellness

Country of Origin



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