Optimum Nutrition (ON) Serious Mass – Weight Gainer Powder

Product Overview

Optimum Nutrition Serious Mass is a high-calorie weight gainer formula designed to support muscle size, strength, and healthy weight gain goals. Packed with quality protein, carbohydrates, vitamins, and minerals, this advanced mass gainer helps provide the calories and nutrients needed to fuel intense training and support muscle-building programs.

Ideal for hard gainers, athletes, and bodybuilders looking to increase daily calorie intake and maximize mass-gaining potential.

Key Features

Benefits

• Supports healthy weight gain goals
• Helps increase daily calorie intake
• Provides protein for muscle growth and recovery
• Supports strength training and bulking programs
• Includes essential vitamins and minerals
• Ideal for hard gainers and active individuals

Ingredients

Protein Blend, Complex Carbohydrates, Vitamin & Mineral Blend, Natural and Artificial Flavors, Cocoa Powder (flavor dependent), Lecithin, Sweeteners, and supporting ingredients.

Suggested Use

Mix one serving with water or milk and consume between meals, after workouts, or throughout the day to help increase calorie and protein intake.

Ideal For

• Hard gainers
• Bodybuilders
• Athletes
• Bulking phases
• Muscle mass support
• High-calorie nutrition plans

Why Choose ON Serious Mass?

Optimum Nutrition Serious Mass combines high calories, quality protein, carbohydrates, and essential nutrients in one convenient formula to support muscle-building goals, recovery, and overall weight gain nutrition.