Optimum Nutrition Serious Mass is a high-calorie mass gainer created to help build serious size, strength, and recovery — ideal for individuals who find it challenging to gain muscle or maintain weight. Each two-scoop serving offers over 1,200 calories, 50g of premium protein, and 249g of carbohydrates to fuel energy and muscle development after training.

This advanced formula combines key nutrients including Vitamin C, Zinc, and Creatine to support immune health, enhance performance, and assist in faster post-workout recovery. It mixes easily into a rich chocolate shake, making it perfect for athletes, hard gainers, and fitness enthusiasts looking to reach their calorie and nutrient targets effectively.

Key Features:

• Delivers more than 1,200 calories per serving to support mass and strength gain

• Provides 50g of high-quality protein for effective muscle recovery

• Contains over 249g of complex carbohydrates to restore energy and glycogen levels

• Includes Vitamin C and Zinc to help maintain immune system function

• Enriched with Creatine for improved strength and performance results

• Smooth and easy-to-mix chocolate formula for convenient use

• Ideal for post-workout nutrition or between-meal calorie boosts

• Supports athletes, bodybuilders, and individuals aiming to bulk efficiently

How to Use:
Mix two heaping scoops of Serious Mass with 700 ml to 1 liter of water or milk using a blender or shaker. Consume after your workout or between meals for the best results. Adjust the serving size based on your calorie requirements.

Important Information:
Store in a cool, dry place away from direct sunlight. Use as part of a balanced diet and regular exercise routine. Do not exceed the recommended serving. Keep out of reach of children.