Pro Nutrition Serious Size

Pack on real mass and strength with Serious Size, a high-calorie mass gainer designed to support muscle growth, strength gains, and recovery. Built for hard gainers and high-intensity trainers, Serious Size helps you meet your daily calorie and protein requirements to fuel consistent size gains.
Serious Size delivers a balanced blend of protein and carbohydrates to support muscle repair while replenishing energy stores after intense training. Whether you’re bulking or struggling to gain weight, Serious Size provides the nutritional power needed to grow bigger and stronger.
Key Benefits:
Supports muscle mass and size gains
High-calorie formula ideal for bulking
Provides protein for muscle recovery
Helps increase daily calorie intake
Supports strength and training performance
Ideal for:
Hard gainers, bodybuilders, and athletes focused on bulking, size, and strength development.