Optimum Nutrition Serious Mass Gainer – Chocolate (12lbs / 5.44kg)

Get Serious About Size with Optimum Nutrition Serious Mass

Optimum Nutrition Serious Mass is the ultimate high-calorie mass gainer for those who are serious about building muscle and gaining weight. Packed with calories, protein, and carbs, every serving brings you closer to your mass-building goals.

Key Highlights

• 1,250 Calories per serving to maximize caloric intake and support weight gain
• 50g of Protein per serving to help build and maintain muscle mass
• 252g of Carbohydrates to fuel intense workouts and replenish glycogen stores
• Banned Substance Tested — safe for competitive athletes
• 16 Servings per 12lb (5.44kg) bag — exceptional value
• Chocolate flavor — naturally & artificially flavored for a rich, satisfying taste

Who Is It For?

Serious Mass is ideal for hardgainers, bodybuilders, and anyone looking to boost calorie intake and support muscle building and weight gain goals. Whether you're bulking up or recovering from intense training, Serious Mass has you covered.

How to Use

Mix 2 heaping scoops with 24oz of water or milk. Consume between meals, post-workout, or before bed to maximize your caloric and protein intake throughout the day.

Net Weight: 12lb (5.44kg) | 16 Servings | Protein Powder Supplement

1-3 Business days

We accept returns on unopened, unused products within [7] days of purchase.Customers are responsible for return shipping costs unless the product is defective or sent in error.For more details, please review our Return Policy or contact our support team in DM, or [Ynssupplement@gmail.com].