ON Serious Mass

Optimum Nutrition Serious Mass

Optimum Nutrition Serious Mass is a high-calorie weight gainer designed for individuals looking to increase body weight, build muscle mass, and support strength training. Each serving delivers an impressive 1,250 calories, 50g of premium blended protein, and over 250g of carbohydrates with no added sugar, making it an ideal choice for hard gainers and athletes with high calorie requirements.

Key Benefits

• 1,250 calories per serving to support healthy weight gain
• 50g of high-quality blended protein
• Over 250g of complex carbohydrates with no added sugar
• Supports muscle growth and post-workout recovery
• Enhanced with Creatine Monohydrate and Glutamine
• Contains Glutamine Peptides for additional recovery support
• Fortified with 25 essential vitamins and minerals
• Ideal for hard gainers and individuals with high calorie needs

Premium Ingredients

• High-quality protein blend featuring Whey Protein Concentrate, Calcium Caseinate, and Egg Albumen
• Creatine Monohydrate to support strength and power
• Glutamine and Glutamine Peptides for muscle recovery
• Choline and Inositol
• 25 essential vitamins and minerals for balanced daily nutrition

Suggested Use

• Add 2 heaping scoops to 800ml (27 oz) of cold water or milk.
• Blend for approximately 45 seconds until smooth.
• For maximum weight gain, consume up to 3 servings daily: morning, afternoon, and 20–30 minutes before bedtime.

Why Choose Optimum Nutrition Serious Mass?

Serious Mass provides the calories, protein, carbohydrates, and key performance ingredients needed to help support muscle growth and weight gain. Whether you're struggling to gain size or looking to increase your daily calorie intake, Serious Mass offers a convenient, great-tasting solution trusted by athletes worldwide.

Notice

Please note: Nutritional information is provided as a guide only. Actual values may vary depending on flavour, size, and manufacturer formulation updates. If you have any questions regarding this product's ingredients or nutritional information, please contact us before purchasing.