Optimum Nutrition Serious Mass

Optimum Nutrition Serious Mass

Optimum Nutrition Serious Mass is a high-calorie weight gainer designed for people looking to increase their daily calorie, protein and carbohydrate intake to support weight gain and muscle-building goals.

Each full serving provides 1,250 calories and 50g of blended protein, helping support a calorie surplus while providing protein to help build and maintain muscle. With 252–254g of carbohydrates per serving, Serious Mass also provides a substantial source of carbohydrates to help fuel workouts and support the replenishment of glycogen stores.

The AU/NZ formula also provides 3g of creatine monohydrate per serving, which Optimum Nutrition states supports muscle strength, power and size when combined with high-intensity activity.

Serious Mass also contains 20 additional vitamins and minerals, making it a comprehensive high-calorie shake for people who find it difficult to consume enough calories through food alone.

Key Features

• 1,250 calories per serving

• 50g of blended protein per serving

• 252–254g of carbohydrates per serving

• Carbohydrates contain no added sugar

• 3g of creatine monohydrate per serving

• Supports weight-gain and muscle-building goals

• Protein helps support muscle building and maintenance

• Carbohydrates help fuel workouts

• Helps support glycogen replenishment

• Contains 20 additional vitamins and minerals

• Suitable for use post-workout or between meals

• Available in a range of flavours and sizes

How to Use

Mix 2 scoops with 700–720mL of cold water or milk using an electric blender.

Optimum Nutrition also suggests that ingredients such as fruit or peanut butter can be added when additional calories are desired.

For new users, Optimum Nutrition recommends starting with a 1-scoop half serving before progressing to the full 2-scoop serving.

When to Use

Serious Mass can be consumed after training and/or between meals to add additional calories, carbohydrates and protein to a healthy, balanced diet.

It is particularly suited to people who are training to gain muscle, struggle to consume enough calories through food alone, or find gaining weight challenging.