OPTIMUM NUTRITION MASS GAINER 6LB

Optimum Nutrition Serious Mass is a high-calorie weight gain supplement designed for athletes and bodybuilders. Each serving delivers 1,250 calories, 50 grams of protein, and over 250 grams of carbohydrates, making it ideal for muscle growth and recovery. The formula includes 25 vitamins and minerals, creatine, and glutamine to support energy and performance. It is easy to mix with water or milk and is suitable for those needing extra calories and protein to meet their body goals.