Optimum Nutrition Serious Mass Gainer Protein Powder, Vanilla, 12lb.
Optimum Nutrition Serious Mass Gainer Protein Powder, Vanilla, 12lb.
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Optimum Nutrition Serious Mass is a high-calorie weight gainer protein powder designed to support muscle growth and weight gain. Each serving provides 1,250 calories, 50 grams of blended protein from whey protein concentrate, calcium caseinate, and egg albumin, and over 250 grams of carbohydrates primarily from maltodextrin. The formula includes 3 grams of creatine monohydrate, 1 gram of L-glutamine, and glutamic acid to support muscle recovery. It is fortified with 25 essential vitamins and minerals, including high levels of B-vitamins. The product is sugar-free, with carbohydrates derived from complex sources. Available in vanilla flavor, it comes in a 12-pound (192-ounce) container. Designed for athletes and individuals with high caloric needs, it mixes easily with water or milk.
This item is guaranteed to be fresh for at least 60 days from: 01/21/2026
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