Optimum Nutrition Serious Mass – High-Calorie Weight Gainer

Fuel Your Gains with the World’s #1 Gainer!
Optimum Nutrition Serious Mass is the ultimate high-calorie mass gainer designed for those who struggle to put on size and strength. Each serving delivers a powerful blend of 1,250+ calories, 50g of high-quality protein, and over 250g of complex carbohydrates to support muscle recovery and growth.

Formulated with added creatine, glutamine, and essential vitamins & minerals, Serious Mass helps you meet your daily calorie requirements while fueling intense workouts. Whether you’re a hard gainer, athlete, or fitness enthusiast looking to bulk up, Serious Mass provides the nutrition you need to build serious size.

Key Benefits:

·         1,250+ Calories per Serving – Perfect for supporting weight gain and muscle growth.

·         50g Protein Blend – Supports muscle recovery and lean mass development.

·         Carb-Packed Energy – 250g+ of carbohydrates to replenish glycogen stores.

·         Nutrient Support – Added creatine, glutamine, and 25+ vitamins & minerals.

·         Delicious Flavors – Easy-to-mix shake for convenient calorie intake.

Who Should Use It?

·         Hard Gainers struggling to meet calorie needs.

·         Athletes & Bodybuilders aiming to increase muscle mass.

·         Fitness Enthusiasts looking for convenient, nutrient-rich calorie support.

How to Use:

Mix 2 scoops of Serious Mass with 700ml of water or milk. For best results, take post-workout and/or between meals to boost daily calorie intake.