Optimum Nutrition Serious Mass Cookies & Cream - 5.45kg

Serious Mass is a high-calorie weight gainer designed to support muscle building and weight gain. It is ideal for post-workout use or between meals to help increase daily calorie intake. This formula is suited for hard gainers, active individuals, and those with high energy demands.

Each serving delivers 50g of whey protein, over 250g of carbohydrates, and added creatine to support training performance. With 25 essential vitamins and minerals, it helps support overall nutrition and recovery. A convenient solution to support consistent calorie surplus.

• High-calorie weight gainer formula
• 50g whey protein per serving
• Over 250g carbohydrates for energy support
• Includes 25 vitamins and minerals
• Added creatine to support performance

• Supports healthy weight gain
• Helps increase daily calorie intake
• Aids muscle recovery after workouts
• Supports strength and training performance
• Convenient nutrition between meals