Optimum Nutrition Serious Mass 2.73kg

OPTIMUM NUTRITION SERIOUS MASS 2.73KG

High-Calorie Mass Gainer for Muscle Building & Weight Gain

Optimum Nutrition Serious Mass is a high-calorie mass gainer designed for people who struggle to consume enough calories from food alone.

Each full serving provides around 1,263 calories, 50g protein, 251g carbohydrates and 3g creatine, making it suitable for bulking phases and people looking to increase calorie intake alongside resistance training.

Key Features

✓ 50g protein per serving
✓ Over 1,250 calories per serving
✓ 250g+ carbohydrates
✓ 3g creatine per serving
✓ Supports muscle growth and weight gain
✓ Includes vitamins and minerals
✓ Available in multiple flavours

Suggested Use

Mix 334g (approximately 2 heaped scoops) with around 710ml water and blend for 30–45 seconds.