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Weight Gainers

It's common to turn to weight gain protein when your fast-burning metabolism won't let you pack on quality pounds through diet alone. Weight gain protein powders don't just fill you up with empty calories, such as low-quality ingredients or sugars either, they contain formulations of high-quality protein blends, complex carbohydrates and healthy fats that make it easy to ingest an extra few thousand calories each day. To further increase muscle mass while minimizing fat gain, some products also include creatine, amino acids and fiber. Save on mass gain protein powder with ProSource today! <<

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  1. Serious Mass
    1
    Save 47%

    Your Price $27.75

    Retail $51.99

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    Serious Mass delivers everything you would expect from a serious weight gainer. Each 2-scoop, 1,250 calorie serving contains 252 grams of carbs, 50 grams of protein and loads of vitamins and minerals. It’s also fortified with glutamine and creatine. Packing on mass just got easier. It’s available in two huge containers (6 lb and 12 lb) with four flavors per size.

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