Optimum Nutrition Serious Mass Chocolate 12LB is a high-calorie mass gainer designed to help you achieve your muscle-building and weight-gain goals. Each serving delivers a powerful combination of protein, carbohydrates, vitamins, and minerals to support recovery and growth. With its rich chocolate flavor and easy-to-mix formula, it’s ideal for athletes, hard gainers, and anyone looking to add healthy mass.

Key Features:

• Provides over 1,200 calories per serving to support muscle growth and recovery.
• Delivers 50g of high-quality protein from a blend of whey, casein, and egg sources.
• Includes 250g of complex carbohydrates to replenish glycogen stores.
• Fortified with vitamins, minerals, and creatine for comprehensive nutrition.
• Ideal for post-workout recovery or between meals to boost calorie intake.
• Delicious chocolate flavor with smooth mixability.

How to Use:
Mix 2 scoops with 700–720ml of cold water or milk. For best results, use between meals, post-workout, or before bed to support continuous muscle growth and calorie intake. Adjust serving size based on your nutrition goals.