Optimum Nutrition Serious Mass Gainer Protein Powder - Chocolate, 6lb.
Optimum Nutrition Serious Mass Gainer Protein Powder - Chocolate, 6lb.
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Optimum Nutrition Serious Mass is a high-calorie weight gainer protein powder designed to support muscle mass and weight gain. Each two-scoop serving provides over 1,200 calories, 50 grams of blended protein, and more than 250 grams of carbohydrates. The formula is enriched with over 20 essential vitamins and minerals, including Vitamin C and Zinc for immune system support. It also contains creatine to aid in muscle performance and recovery. The product is available in a chocolate flavor and comes in a 6-pound container. The packaging may vary. This mass gainer is versatile and can be blended with additional calorie-dense foods such as fresh or frozen fruits, peanut butter, and nuts to further increase caloric intake for enhanced weight gain potential. This item is guaranteed to be fresh for at least 60 days from: 02/20/2026
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