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. CytoGainer


    Item CMX008
    Save 49%

    Your Price $46.50

    Retail $91.99

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    A longtime quality supplement in the hard gainer category, CytoGainer provides a balance of complex carbs (38 grams) to proteins (27 grams) per each 2 scoop serving. Many athletes double that up to 4 scoops per dose for even greater mass gain power. It also contains a wide array of vitamins and minerals and other growth factors. Available in three delicious flavors.
  2. Super Gainers Fuel 1350
    Save 41%

    Your Price $46.95

    Retail $79.95

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    This remarkable econo weight gainer comes in a huge 12-lb bag that contains a massive 1350 calories per serving, starting with a protein blend made up of whey protein concentrate, milk protein isolate, calcium caseinate and egg white hydrolysate. Other key ingredients include creatine monohydrate for added cell volumization and 256 grams of carbs, primarily of waxy maize starch and maltodextrin. If you’re looking to pack on serious weight and mass, Super Gainers Fuel is for you.
  3. Super Mass Gainer

    Super Mass Gainer

    Item DTZ057
    Save 30%

    Your Price $27.99

    Retail $39.98

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    4 out of 10 | 1 Review(s)
    Super Mass Gainer seems to live up to its name. Each three-scoop serving of this impressive weight gain formula provides a massive 1300 calories, mostly derived from a protein blend (52 grams), carbohydrates (253 grams), fiber, creatine and a range of vitamins and minerals. It’s available in 6 lb containers, Rich Chocolate only.
  4. Real Gains
    Save 56%

    Your Price $21.75

    Retail $48.95

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    Real Gains is your classic higher calorie hard gainer formula with lots of good protein (54 grams), carbs (86 grams), vitamins, minerals and a built in amino acid profile for enhanced gains. It’s available in two sizes, 3.8 lbs and 6.85 lbs and numerous tasty flavors.
  5. N-Large3


    By Prolab
    Item PRO066
    Save 41%

    Your Price $55.95

    Retail $94.99

    Out of stock

  6. True-Mass


    By BSN
    Item BSN011
    Save 49%

    Your Price $43.25

    Retail $84.49

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    This might be the hard gainers dream supplement at a remarkable 1230 calories per every two-scoop serving. Within that quantity are healthy fats, 50 grams of an extensive protein blend, 222 grams of quality carbs and more. True Mass is available in a 12 lb bag, and Vanilla Ice Cream and Chocolate Milkshake flavors.
  7. Elite Mass Gainer

    Elite Mass Gainer

    Item DTZ042
    Save 48%

    Your Price $41.95

    Retail $80.99

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    Here is Dymatize’s answer to the weight gainer category. At 600 calories per serving (3 scoops), Elite Mass Gainer contains 54 grams of protein, 75 grams of carbs, vitamins, minerals, healthy fats and enzymes. For added mass gain support it also contains creatine, glutamine and BCAA’s. It’s available in both a 6 lb and big 10 lb container and up to four flavors.
  8. Monster Massive

    Monster Massive

    Item CMX035
    Save 38%

    Your Price $36.95

    Retail $59.99

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    As the name implies, Monster Massive is formulated to render substantial mass gain power via 600 calories per serving, consisting of a wide range of valued ingredients including a big 50 gram dose of protein, with glutamine, BCAA’s, healthy fats, enzymes, vitamins, minerals and a “monster” serving of carbs (125 grams). This 5.95 pound tub is available in five delicious flavors.
  9. Monster Milk

    Monster Milk

    Item CMX032
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    Your Price $33.95

    Retail $64.99

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    Although Monster Milk might seem to be an offshoot of CytoSport’s original Muscle Milk, the differences are enough for this newer entry to certainly stand alone. It can serve has a solid weight gainer, minus the heavier carb count usually associated with that category, or a slower release nighttime protein. Creatine, glutamine, beta alanine and enzymes are just a few of its other key elements.
  10. Gain Fast 3100
    Save 51%

    Your Price $19.95

    Retail $40.95

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