Optimum Nutrirtion Serious Mass 3kg Box

Optimum Nutrition Serious Mass is a high-calorie weight gainer designed to help you build size, strength, and muscle mass. Each serving provides over 1,250 calories, 50g of high-quality protein, and a blend of carbohydrates, vitamins, and minerals to support intense training and recovery.

✔ High-calorie formula for weight gain
✔ 50g of protein per serving
✔ Contains creatine and glutamine
✔ Supports muscle growth and recovery

Mix with water or milk for a nutrient-packed shake, perfect for hard gainers and athletes looking to increase mass.