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SERIOUS MASS BY OPTIMUM NUTRITION

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Regular price $169.95 AUD
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How to Use

Mix 334g (approximately 2 heaping scoops) with 710ml of cold water or milk in a blender for 30 to 45 seconds. New users should begin with half a serving for the first week. Take 1 to 2 serves per day in addition to regular meals. Do not use as a meal replacement.

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Optimum Nutrition's Serious Mass is the ultimate weight gain formula. With 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantised powder makes for a sizeable post-workout and between-meals shake. Optimum Nutrition's Serious Mass’ protein blend provides easy-to-digest protein, boosting your muscle protein synthesis and providing quick absorbable protein for better recovery and bigger gains after an intense workout session. Make sure to follow the directions of use at the back of the tub to enjoy the best effects.

Nutritional Information

334g (approx. 2 heaping scoops)

2.72kg = 8 serves · 5.44kg = 16 serves

Nutrient Per Serve (334g)
Energy up to 1,243 Cal (5,272kJ)
Protein 50g
Carbohydrates up to 254g
Fat approx. 3 to 4g
Creatine 3g
Total Sugars 20g
Sodium 464mg
Potassium 1062mg
Calcium 571mg
Vitamins and Minerals 24 included

Flavour Guide

Chocolate

A rich, classic chocolate profile. Deep and satisfying. The most popular Serious Mass flavour globally.

Vanilla

A smooth, sweet vanilla. Versatile and easy to drink across multiple serves per day. Works well blended with banana or nut butter for additional calorie density.

Recipe

Serious Mass Chocolate Blender Shake

Ingredients

  • 340g (2 heaping scoops) Serious Mass Chocolate
  • 710ml full cream milk
  • 1 frozen banana
  • 2 tbsp natural peanut butter

Method

  1. Add milk to a blender.
  2. Add 340g of Serious Mass Chocolate, frozen banana, and peanut butter.
  3. Blend on high for 30 to 45 seconds until smooth.
  4. Drink immediately post-workout.

Frequently Asked Questions

Why does Serious Mass use a protein blend rather than isolate?

Serious Mass uses Whey Protein Concentrate, Calcium Caseinate, and Whey Powder. Combining fast-digesting whey with slow-digesting caseinate ensures a sustained, multi-stage release of amino acids to support muscle recovery over time.

How many calories does a full serving provide?

A full 2-scoop serving provides 1,243 calories when mixed with cold water. When mixed with 710ml of milk, the total calorie count increases significantly. New users should start with a 1-scoop half serving.

Does Serious Mass contain creatine?

Yes. Each full 2-scoop serving includes 3 grams of creatine. Account for this 3g amount if you are already taking a standalone creatine supplement.

Is Serious Mass suitable as a meal replacement?

No. Serious Mass is designed to be used in addition to a healthy, balanced diet, not in place of regular meals.

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Serious Mass

Serious Mass

$169.95

1

How To Use Whey Protein

The Classic Peanut Butter Banana Protein Smoothie

Prep time: 2 minutes | Servings: 1

Ingredients

  • 1 scoop (approx. 30g) vanilla or chocolate whey protein powder
  • 1 medium banana (frozen is best for a creamy texture!)
  • 1 tbsp peanut butter (or almond butter)
  • 1 cup (240ml) milk of your choice (dairy, almond, or oat work great)
  • 1/2 cup ice cubes
  • Optional: A dash of cinnamon or a handful of spinach (you won't even taste the greens!)

Instructions

  1. Add the liquids first: Pour your milk into the blender. Adding liquid first prevents the protein powder from getting stuck to the bottom of the blender jug.
  2. Add the rest: Drop in the whey protein powder, frozen banana, peanut butter, and ice.
  3. Blend: Blend on high for 30 to 45 seconds until completely smooth and creamy.
  4. Serve: Pour into a tall glass and enjoy immediately.

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